Home / 486,576.72-726,174.18-473,979.60

Finding the Fourth Proportional to 486,576.72, 726,174.18 and 473,979.60

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Solution

The fourth proportional to 486,576.72, 726,174.18 and 473,979.60 is: 707,374.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,576.72 : 726,174.18 = 473,979.60 : x
  2. Step 2: Convert to fraction form
    486,576.72/726,174.18 = 473,979.60/x
  3. Step 3: Cross multiply
    486,576.72x = 726,174.18 × 473,979.60
  4. Step 4: Simplify right side
    486,576.72x = 344,191,747,366.73
  5. Step 5: Solve for x
    x = 344,191,747,366.73/486,576.72
  6. Step 6: Final answer
    x = 707,374.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.