Home / 738,287.60-1,107,431.40-724,290.80

Finding the Fourth Proportional to 738,287.60, 1,107,431.40 and 724,290.80

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Solution

The fourth proportional to 738,287.60, 1,107,431.40 and 724,290.80 is: 1,086,436.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,287.60 : 1,107,431.40 = 724,290.80 : x
  2. Step 2: Convert to fraction form
    738,287.60/1,107,431.40 = 724,290.80/x
  3. Step 3: Cross multiply
    738,287.60x = 1,107,431.40 × 724,290.80
  4. Step 4: Simplify right side
    738,287.60x = 802,102,374,651.12
  5. Step 5: Solve for x
    x = 802,102,374,651.12/738,287.60
  6. Step 6: Final answer
    x = 1,086,436.20

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Similar ratio
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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.