Home / 531,209.28-733,068.94-289,491.92

Finding the Fourth Proportional to 531,209.28, 733,068.94 and 289,491.92

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Solution

The fourth proportional to 531,209.28, 733,068.94 and 289,491.92 is: 399,498.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,209.28 : 733,068.94 = 289,491.92 : x
  2. Step 2: Convert to fraction form
    531,209.28/733,068.94 = 289,491.92/x
  3. Step 3: Cross multiply
    531,209.28x = 733,068.94 × 289,491.92
  4. Step 4: Simplify right side
    531,209.28x = 212,217,534,932.97
  5. Step 5: Solve for x
    x = 212,217,534,932.97/531,209.28
  6. Step 6: Final answer
    x = 399,498.92

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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.