Home / 534,421.86-737,487.68-304,974.91

Finding the Fourth Proportional to 534,421.86, 737,487.68 and 304,974.91

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Solution

The fourth proportional to 534,421.86, 737,487.68 and 304,974.91 is: 420,857.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,421.86 : 737,487.68 = 304,974.91 : x
  2. Step 2: Convert to fraction form
    534,421.86/737,487.68 = 304,974.91/x
  3. Step 3: Cross multiply
    534,421.86x = 737,487.68 × 304,974.91
  4. Step 4: Simplify right side
    534,421.86x = 224,915,238,834.11
  5. Step 5: Solve for x
    x = 224,915,238,834.11/534,421.86
  6. Step 6: Final answer
    x = 420,857.11

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1.5x scale

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.