Home / 694,523.17-1,046,990.26-648,229.65

Finding the Fourth Proportional to 694,523.17, 1,046,990.26 and 648,229.65

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Solution

The fourth proportional to 694,523.17, 1,046,990.26 and 648,229.65 is: 977,203.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,523.17 : 1,046,990.26 = 648,229.65 : x
  2. Step 2: Convert to fraction form
    694,523.17/1,046,990.26 = 648,229.65/x
  3. Step 3: Cross multiply
    694,523.17x = 1,046,990.26 × 648,229.65
  4. Step 4: Simplify right side
    694,523.17x = 678,690,129,793.21
  5. Step 5: Solve for x
    x = 678,690,129,793.21/694,523.17
  6. Step 6: Final answer
    x = 977,203.01

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.