Home / 658,823.60-988,397.40-185,502.80

Finding the Fourth Proportional to 658,823.60, 988,397.40 and 185,502.80

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Solution

The fourth proportional to 658,823.60, 988,397.40 and 185,502.80 is: 278,299.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,823.60 : 988,397.40 = 185,502.80 : x
  2. Step 2: Convert to fraction form
    658,823.60/988,397.40 = 185,502.80/x
  3. Step 3: Cross multiply
    658,823.60x = 988,397.40 × 185,502.80
  4. Step 4: Simplify right side
    658,823.60x = 183,350,485,212.72
  5. Step 5: Solve for x
    x = 183,350,485,212.72/658,823.60
  6. Step 6: Final answer
    x = 278,299.81

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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.