Home / 713,758.60-1,070,637.18-215,122.60

Finding the Fourth Proportional to 713,758.60, 1,070,637.18 and 215,122.60

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Solution

The fourth proportional to 713,758.60, 1,070,637.18 and 215,122.60 is: 322,683.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,758.60 : 1,070,637.18 = 215,122.60 : x
  2. Step 2: Convert to fraction form
    713,758.60/1,070,637.18 = 215,122.60/x
  3. Step 3: Cross multiply
    713,758.60x = 1,070,637.18 × 215,122.60
  4. Step 4: Simplify right side
    713,758.60x = 230,318,253,818.27
  5. Step 5: Solve for x
    x = 230,318,253,818.27/713,758.60
  6. Step 6: Final answer
    x = 322,683.68

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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.