Home / 815,816.68-1,125,820.26-458,113

Finding the Fourth Proportional to 815,816.68, 1,125,820.26 and 458,113

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Solution

The fourth proportional to 815,816.68, 1,125,820.26 and 458,113 is: 632,192.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,816.68 : 1,125,820.26 = 458,113 : x
  2. Step 2: Convert to fraction form
    815,816.68/1,125,820.26 = 458,113/x
  3. Step 3: Cross multiply
    815,816.68x = 1,125,820.26 × 458,113
  4. Step 4: Simplify right side
    815,816.68x = 515,752,896,769.38
  5. Step 5: Solve for x
    x = 515,752,896,769.38/815,816.68
  6. Step 6: Final answer
    x = 632,192.14

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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.