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Finding the Fourth Proportional to 530,497, 732,085.86 and 304,217.32

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Solution

The fourth proportional to 530,497, 732,085.86 and 304,217.32 is: 419,819.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,497 : 732,085.86 = 304,217.32 : x
  2. Step 2: Convert to fraction form
    530,497/732,085.86 = 304,217.32/x
  3. Step 3: Cross multiply
    530,497x = 732,085.86 × 304,217.32
  4. Step 4: Simplify right side
    530,497x = 222,713,198,339.10
  5. Step 5: Solve for x
    x = 222,713,198,339.10/530,497
  6. Step 6: Final answer
    x = 419,819.90

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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.