Home / 747,818.88-1,121,875.56-274,508.16

Finding the Fourth Proportional to 747,818.88, 1,121,875.56 and 274,508.16

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Solution

The fourth proportional to 747,818.88, 1,121,875.56 and 274,508.16 is: 411,816.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,818.88 : 1,121,875.56 = 274,508.16 : x
  2. Step 2: Convert to fraction form
    747,818.88/1,121,875.56 = 274,508.16/x
  3. Step 3: Cross multiply
    747,818.88x = 1,121,875.56 × 274,508.16
  4. Step 4: Simplify right side
    747,818.88x = 307,963,995,724.57
  5. Step 5: Solve for x
    x = 307,963,995,724.57/747,818.88
  6. Step 6: Final answer
    x = 411,816.29

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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.