Home / 521,962.28-720,358.50-292,558.53

Finding the Fourth Proportional to 521,962.28, 720,358.50 and 292,558.53

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Solution

The fourth proportional to 521,962.28, 720,358.50 and 292,558.53 is: 403,759.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,962.28 : 720,358.50 = 292,558.53 : x
  2. Step 2: Convert to fraction form
    521,962.28/720,358.50 = 292,558.53/x
  3. Step 3: Cross multiply
    521,962.28x = 720,358.50 × 292,558.53
  4. Step 4: Simplify right side
    521,962.28x = 210,747,022,370.21
  5. Step 5: Solve for x
    x = 210,747,022,370.21/521,962.28
  6. Step 6: Final answer
    x = 403,759.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.