Home / 748,062.90-1,121,581.71-268,280.43

Finding the Fourth Proportional to 748,062.90, 1,121,581.71 and 268,280.43

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Solution

The fourth proportional to 748,062.90, 1,121,581.71 and 268,280.43 is: 402,236.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,062.90 : 1,121,581.71 = 268,280.43 : x
  2. Step 2: Convert to fraction form
    748,062.90/1,121,581.71 = 268,280.43/x
  3. Step 3: Cross multiply
    748,062.90x = 1,121,581.71 × 268,280.43
  4. Step 4: Simplify right side
    748,062.90x = 300,898,423,438.94
  5. Step 5: Solve for x
    x = 300,898,423,438.94/748,062.90
  6. Step 6: Final answer
    x = 402,236.80

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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.