Home / 932,685.40-1,399,373.70-372,122.20

Finding the Fourth Proportional to 932,685.40, 1,399,373.70 and 372,122.20

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Solution

The fourth proportional to 932,685.40, 1,399,373.70 and 372,122.20 is: 558,321.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,685.40 : 1,399,373.70 = 372,122.20 : x
  2. Step 2: Convert to fraction form
    932,685.40/1,399,373.70 = 372,122.20/x
  3. Step 3: Cross multiply
    932,685.40x = 1,399,373.70 × 372,122.20
  4. Step 4: Simplify right side
    932,685.40x = 520,738,019,866.14
  5. Step 5: Solve for x
    x = 520,738,019,866.14/932,685.40
  6. Step 6: Final answer
    x = 558,321.19

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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.