Home / 748,612.51-1,121,857.25-579,344.88

Finding the Fourth Proportional to 748,612.51, 1,121,857.25 and 579,344.88

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Solution

The fourth proportional to 748,612.51, 1,121,857.25 and 579,344.88 is: 868,195.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,612.51 : 1,121,857.25 = 579,344.88 : x
  2. Step 2: Convert to fraction form
    748,612.51/1,121,857.25 = 579,344.88/x
  3. Step 3: Cross multiply
    748,612.51x = 1,121,857.25 × 579,344.88
  4. Step 4: Simplify right side
    748,612.51x = 649,942,253,878.38
  5. Step 5: Solve for x
    x = 649,942,253,878.38/748,612.51
  6. Step 6: Final answer
    x = 868,195.82

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1.5x scale

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.