Home / 645,471.14-966,314.04-452,677.37

Finding the Fourth Proportional to 645,471.14, 966,314.04 and 452,677.37

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Solution

The fourth proportional to 645,471.14, 966,314.04 and 452,677.37 is: 677,688.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,471.14 : 966,314.04 = 452,677.37 : x
  2. Step 2: Convert to fraction form
    645,471.14/966,314.04 = 452,677.37/x
  3. Step 3: Cross multiply
    645,471.14x = 966,314.04 × 452,677.37
  4. Step 4: Simplify right side
    645,471.14x = 437,428,491,692.17
  5. Step 5: Solve for x
    x = 437,428,491,692.17/645,471.14
  6. Step 6: Final answer
    x = 677,688.70

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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.