Home / 738,078.60-1,107,117.90-731,080.20

Finding the Fourth Proportional to 738,078.60, 1,107,117.90 and 731,080.20

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Solution

The fourth proportional to 738,078.60, 1,107,117.90 and 731,080.20 is: 1,096,620.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,078.60 : 1,107,117.90 = 731,080.20 : x
  2. Step 2: Convert to fraction form
    738,078.60/1,107,117.90 = 731,080.20/x
  3. Step 3: Cross multiply
    738,078.60x = 1,107,117.90 × 731,080.20
  4. Step 4: Simplify right side
    738,078.60x = 809,391,975,755.58
  5. Step 5: Solve for x
    x = 809,391,975,755.58/738,078.60
  6. Step 6: Final answer
    x = 1,096,620.30

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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.