Home / 894,479.76-1,234,469.40-667,731.60

Finding the Fourth Proportional to 894,479.76, 1,234,469.40 and 667,731.60

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Solution

The fourth proportional to 894,479.76, 1,234,469.40 and 667,731.60 is: 921,534.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,479.76 : 1,234,469.40 = 667,731.60 : x
  2. Step 2: Convert to fraction form
    894,479.76/1,234,469.40 = 667,731.60/x
  3. Step 3: Cross multiply
    894,479.76x = 1,234,469.40 × 667,731.60
  4. Step 4: Simplify right side
    894,479.76x = 824,294,227,613.04
  5. Step 5: Solve for x
    x = 824,294,227,613.04/894,479.76
  6. Step 6: Final answer
    x = 921,534.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.