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Finding the Fourth Proportional to 661,645.20, 992,467.80 and 600,627.90

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Solution

The fourth proportional to 661,645.20, 992,467.80 and 600,627.90 is: 900,941.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,645.20 : 992,467.80 = 600,627.90 : x
  2. Step 2: Convert to fraction form
    661,645.20/992,467.80 = 600,627.90/x
  3. Step 3: Cross multiply
    661,645.20x = 992,467.80 × 600,627.90
  4. Step 4: Simplify right side
    661,645.20x = 596,103,850,531.62
  5. Step 5: Solve for x
    x = 596,103,850,531.62/661,645.20
  6. Step 6: Final answer
    x = 900,941.85

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1.5x scale

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.