Home / 977,180.40-1,465,770.60-346,012.20

Finding the Fourth Proportional to 977,180.40, 1,465,770.60 and 346,012.20

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Solution

The fourth proportional to 977,180.40, 1,465,770.60 and 346,012.20 is: 519,018.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,180.40 : 1,465,770.60 = 346,012.20 : x
  2. Step 2: Convert to fraction form
    977,180.40/1,465,770.60 = 346,012.20/x
  3. Step 3: Cross multiply
    977,180.40x = 1,465,770.60 × 346,012.20
  4. Step 4: Simplify right side
    977,180.40x = 507,174,510,001.32
  5. Step 5: Solve for x
    x = 507,174,510,001.32/977,180.40
  6. Step 6: Final answer
    x = 519,018.30

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Half scale
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Double scale
Find fourth proportional to 977,181.40, 1,465,772.10 and 346,013.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.