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Finding the Fourth Proportional to 627,663.98, 866,593.38 and 482,210.70

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Solution

The fourth proportional to 627,663.98, 866,593.38 and 482,210.70 is: 665,771.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,663.98 : 866,593.38 = 482,210.70 : x
  2. Step 2: Convert to fraction form
    627,663.98/866,593.38 = 482,210.70/x
  3. Step 3: Cross multiply
    627,663.98x = 866,593.38 × 482,210.70
  4. Step 4: Simplify right side
    627,663.98x = 417,880,600,385.17
  5. Step 5: Solve for x
    x = 417,880,600,385.17/627,663.98
  6. Step 6: Final answer
    x = 665,771.20

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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.