Home / 977,190.40-1,465,785.60-346,022.20

Finding the Fourth Proportional to 977,190.40, 1,465,785.60 and 346,022.20

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Solution

The fourth proportional to 977,190.40, 1,465,785.60 and 346,022.20 is: 519,033.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,190.40 : 1,465,785.60 = 346,022.20 : x
  2. Step 2: Convert to fraction form
    977,190.40/1,465,785.60 = 346,022.20/x
  3. Step 3: Cross multiply
    977,190.40x = 1,465,785.60 × 346,022.20
  4. Step 4: Simplify right side
    977,190.40x = 507,194,358,040.32
  5. Step 5: Solve for x
    x = 507,194,358,040.32/977,190.40
  6. Step 6: Final answer
    x = 519,033.30

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Double scale
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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.