Home / 482,756.30-724,134.45-306,046.70

Finding the Fourth Proportional to 482,756.30, 724,134.45 and 306,046.70

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Solution

The fourth proportional to 482,756.30, 724,134.45 and 306,046.70 is: 459,070.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,756.30 : 724,134.45 = 306,046.70 : x
  2. Step 2: Convert to fraction form
    482,756.30/724,134.45 = 306,046.70/x
  3. Step 3: Cross multiply
    482,756.30x = 724,134.45 × 306,046.70
  4. Step 4: Simplify right side
    482,756.30x = 221,618,958,778.82
  5. Step 5: Solve for x
    x = 221,618,958,778.82/482,756.30
  6. Step 6: Final answer
    x = 459,070.05

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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.