Home / 932,684.40-1,399,372.20-372,121.20

Finding the Fourth Proportional to 932,684.40, 1,399,372.20 and 372,121.20

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Solution

The fourth proportional to 932,684.40, 1,399,372.20 and 372,121.20 is: 558,319.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,684.40 : 1,399,372.20 = 372,121.20 : x
  2. Step 2: Convert to fraction form
    932,684.40/1,399,372.20 = 372,121.20/x
  3. Step 3: Cross multiply
    932,684.40x = 1,399,372.20 × 372,121.20
  4. Step 4: Simplify right side
    932,684.40x = 520,736,062,310.64
  5. Step 5: Solve for x
    x = 520,736,062,310.64/932,684.40
  6. Step 6: Final answer
    x = 558,319.69

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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.