Home / 732,132.91-1,012,272.15-641,228.64

Finding the Fourth Proportional to 732,132.91, 1,012,272.15 and 641,228.64

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Solution

The fourth proportional to 732,132.91, 1,012,272.15 and 641,228.64 is: 886,584.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,132.91 : 1,012,272.15 = 641,228.64 : x
  2. Step 2: Convert to fraction form
    732,132.91/1,012,272.15 = 641,228.64/x
  3. Step 3: Cross multiply
    732,132.91x = 1,012,272.15 × 641,228.64
  4. Step 4: Simplify right side
    732,132.91x = 649,097,892,662.96
  5. Step 5: Solve for x
    x = 649,097,892,662.96/732,132.91
  6. Step 6: Final answer
    x = 886,584.78

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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.