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Finding the Fourth Proportional to 574,642.76, 861,372.70 and 254,945.18

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Solution

The fourth proportional to 574,642.76, 861,372.70 and 254,945.18 is: 382,155.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,642.76 : 861,372.70 = 254,945.18 : x
  2. Step 2: Convert to fraction form
    574,642.76/861,372.70 = 254,945.18/x
  3. Step 3: Cross multiply
    574,642.76x = 861,372.70 × 254,945.18
  4. Step 4: Simplify right side
    574,642.76x = 219,602,818,048.59
  5. Step 5: Solve for x
    x = 219,602,818,048.59/574,642.76
  6. Step 6: Final answer
    x = 382,155.37

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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.