Home / 531,747.28-733,854.72-302,376.40

Finding the Fourth Proportional to 531,747.28, 733,854.72 and 302,376.40

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Solution

The fourth proportional to 531,747.28, 733,854.72 and 302,376.40 is: 417,304.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,747.28 : 733,854.72 = 302,376.40 : x
  2. Step 2: Convert to fraction form
    531,747.28/733,854.72 = 302,376.40/x
  3. Step 3: Cross multiply
    531,747.28x = 733,854.72 × 302,376.40
  4. Step 4: Simplify right side
    531,747.28x = 221,900,348,356.61
  5. Step 5: Solve for x
    x = 221,900,348,356.61/531,747.28
  6. Step 6: Final answer
    x = 417,304.15

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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.