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Finding the Fourth Proportional to 452,753.59, 624,539.76 and 282,692.47

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Solution

The fourth proportional to 452,753.59, 624,539.76 and 282,692.47 is: 389,953.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,753.59 : 624,539.76 = 282,692.47 : x
  2. Step 2: Convert to fraction form
    452,753.59/624,539.76 = 282,692.47/x
  3. Step 3: Cross multiply
    452,753.59x = 624,539.76 × 282,692.47
  4. Step 4: Simplify right side
    452,753.59x = 176,552,687,367.61
  5. Step 5: Solve for x
    x = 176,552,687,367.61/452,753.59
  6. Step 6: Final answer
    x = 389,953.15

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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.