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Finding the Fourth Proportional to 539,678.25, 744,063.71 and 442,524.15

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Solution

The fourth proportional to 539,678.25, 744,063.71 and 442,524.15 is: 610,115.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,678.25 : 744,063.71 = 442,524.15 : x
  2. Step 2: Convert to fraction form
    539,678.25/744,063.71 = 442,524.15/x
  3. Step 3: Cross multiply
    539,678.25x = 744,063.71 × 442,524.15
  4. Step 4: Simplify right side
    539,678.25x = 329,266,158,600.98
  5. Step 5: Solve for x
    x = 329,266,158,600.98/539,678.25
  6. Step 6: Final answer
    x = 610,115.67

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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.