Home / 689,708.18-952,234.56-472,280.68

Finding the Fourth Proportional to 689,708.18, 952,234.56 and 472,280.68

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Solution

The fourth proportional to 689,708.18, 952,234.56 and 472,280.68 is: 652,046.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,708.18 : 952,234.56 = 472,280.68 : x
  2. Step 2: Convert to fraction form
    689,708.18/952,234.56 = 472,280.68/x
  3. Step 3: Cross multiply
    689,708.18x = 952,234.56 × 472,280.68
  4. Step 4: Simplify right side
    689,708.18x = 449,721,985,516.30
  5. Step 5: Solve for x
    x = 449,721,985,516.30/689,708.18
  6. Step 6: Final answer
    x = 652,046.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.