Home / 732,138.60-1,010,321.76-426,223.76

Finding the Fourth Proportional to 732,138.60, 1,010,321.76 and 426,223.76

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Solution

The fourth proportional to 732,138.60, 1,010,321.76 and 426,223.76 is: 588,171.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,138.60 : 1,010,321.76 = 426,223.76 : x
  2. Step 2: Convert to fraction form
    732,138.60/1,010,321.76 = 426,223.76/x
  3. Step 3: Cross multiply
    732,138.60x = 1,010,321.76 × 426,223.76
  4. Step 4: Simplify right side
    732,138.60x = 430,623,139,357.02
  5. Step 5: Solve for x
    x = 430,623,139,357.02/732,138.60
  6. Step 6: Final answer
    x = 588,171.61

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1.5x scale

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.