Home / 747,425.43-1,121,531.81-326,996.55

Finding the Fourth Proportional to 747,425.43, 1,121,531.81 and 326,996.55

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Solution

The fourth proportional to 747,425.43, 1,121,531.81 and 326,996.55 is: 490,667.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,425.43 : 1,121,531.81 = 326,996.55 : x
  2. Step 2: Convert to fraction form
    747,425.43/1,121,531.81 = 326,996.55/x
  3. Step 3: Cross multiply
    747,425.43x = 1,121,531.81 × 326,996.55
  4. Step 4: Simplify right side
    747,425.43x = 366,737,030,950.27
  5. Step 5: Solve for x
    x = 366,737,030,950.27/747,425.43
  6. Step 6: Final answer
    x = 490,667.05

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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.