Home / 502,895.20-754,342.80-437,941.30

Finding the Fourth Proportional to 502,895.20, 754,342.80 and 437,941.30

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Solution

The fourth proportional to 502,895.20, 754,342.80 and 437,941.30 is: 656,911.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,895.20 : 754,342.80 = 437,941.30 : x
  2. Step 2: Convert to fraction form
    502,895.20/754,342.80 = 437,941.30/x
  3. Step 3: Cross multiply
    502,895.20x = 754,342.80 × 437,941.30
  4. Step 4: Simplify right side
    502,895.20x = 330,357,866,477.64
  5. Step 5: Solve for x
    x = 330,357,866,477.64/502,895.20
  6. Step 6: Final answer
    x = 656,911.95

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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.