Home / 748,610.51-1,121,854.25-579,342.88

Finding the Fourth Proportional to 748,610.51, 1,121,854.25 and 579,342.88

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Solution

The fourth proportional to 748,610.51, 1,121,854.25 and 579,342.88 is: 868,192.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,610.51 : 1,121,854.25 = 579,342.88 : x
  2. Step 2: Convert to fraction form
    748,610.51/1,121,854.25 = 579,342.88/x
  3. Step 3: Cross multiply
    748,610.51x = 1,121,854.25 × 579,342.88
  4. Step 4: Simplify right side
    748,610.51x = 649,938,274,985.92
  5. Step 5: Solve for x
    x = 649,938,274,985.92/748,610.51
  6. Step 6: Final answer
    x = 868,192.83

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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.