Home / 738,077.60-1,107,116.40-724,080.80

Finding the Fourth Proportional to 738,077.60, 1,107,116.40 and 724,080.80

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Solution

The fourth proportional to 738,077.60, 1,107,116.40 and 724,080.80 is: 1,086,121.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,077.60 : 1,107,116.40 = 724,080.80 : x
  2. Step 2: Convert to fraction form
    738,077.60/1,107,116.40 = 724,080.80/x
  3. Step 3: Cross multiply
    738,077.60x = 1,107,116.40 × 724,080.80
  4. Step 4: Simplify right side
    738,077.60x = 801,641,728,605.12
  5. Step 5: Solve for x
    x = 801,641,728,605.12/738,077.60
  6. Step 6: Final answer
    x = 1,086,121.20

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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.