Home / 747,304.43-1,121,144.39-214,826.42

Finding the Fourth Proportional to 747,304.43, 1,121,144.39 and 214,826.42

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Solution

The fourth proportional to 747,304.43, 1,121,144.39 and 214,826.42 is: 322,293.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,304.43 : 1,121,144.39 = 214,826.42 : x
  2. Step 2: Convert to fraction form
    747,304.43/1,121,144.39 = 214,826.42/x
  3. Step 3: Cross multiply
    747,304.43x = 1,121,144.39 × 214,826.42
  4. Step 4: Simplify right side
    747,304.43x = 240,851,435,606.78
  5. Step 5: Solve for x
    x = 240,851,435,606.78/747,304.43
  6. Step 6: Final answer
    x = 322,293.60

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Double scale
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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.