Home / 977,028.40-1,465,715.40-346,308.40

Finding the Fourth Proportional to 977,028.40, 1,465,715.40 and 346,308.40

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Solution

The fourth proportional to 977,028.40, 1,465,715.40 and 346,308.40 is: 519,523.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,028.40 : 1,465,715.40 = 346,308.40 : x
  2. Step 2: Convert to fraction form
    977,028.40/1,465,715.40 = 346,308.40/x
  3. Step 3: Cross multiply
    977,028.40x = 1,465,715.40 × 346,308.40
  4. Step 4: Simplify right side
    977,028.40x = 507,589,555,029.36
  5. Step 5: Solve for x
    x = 507,589,555,029.36/977,028.40
  6. Step 6: Final answer
    x = 519,523.85

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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.