Home / 731,647.20-1,097,470.80-416,719.20

Finding the Fourth Proportional to 731,647.20, 1,097,470.80 and 416,719.20

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Solution

The fourth proportional to 731,647.20, 1,097,470.80 and 416,719.20 is: 625,078.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,647.20 : 1,097,470.80 = 416,719.20 : x
  2. Step 2: Convert to fraction form
    731,647.20/1,097,470.80 = 416,719.20/x
  3. Step 3: Cross multiply
    731,647.20x = 1,097,470.80 × 416,719.20
  4. Step 4: Simplify right side
    731,647.20x = 457,337,153,799.36
  5. Step 5: Solve for x
    x = 457,337,153,799.36/731,647.20
  6. Step 6: Final answer
    x = 625,078.80

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Double scale
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Similar ratio
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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.