Home / 712,463.59-1,068,728.60-396,682.66

Finding the Fourth Proportional to 712,463.59, 1,068,728.60 and 396,682.66

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Solution

The fourth proportional to 712,463.59, 1,068,728.60 and 396,682.66 is: 595,042.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,463.59 : 1,068,728.60 = 396,682.66 : x
  2. Step 2: Convert to fraction form
    712,463.59/1,068,728.60 = 396,682.66/x
  3. Step 3: Cross multiply
    712,463.59x = 1,068,728.60 × 396,682.66
  4. Step 4: Simplify right side
    712,463.59x = 423,946,103,866.08
  5. Step 5: Solve for x
    x = 423,946,103,866.08/712,463.59
  6. Step 6: Final answer
    x = 595,042.48

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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.