Home / 976,906.70-1,465,375.17-345,378.86

Finding the Fourth Proportional to 976,906.70, 1,465,375.17 and 345,378.86

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Solution

The fourth proportional to 976,906.70, 1,465,375.17 and 345,378.86 is: 518,073.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,906.70 : 1,465,375.17 = 345,378.86 : x
  2. Step 2: Convert to fraction form
    976,906.70/1,465,375.17 = 345,378.86/x
  3. Step 3: Cross multiply
    976,906.70x = 1,465,375.17 × 345,378.86
  4. Step 4: Simplify right side
    976,906.70x = 506,109,605,686.91
  5. Step 5: Solve for x
    x = 506,109,605,686.91/976,906.70
  6. Step 6: Final answer
    x = 518,073.64

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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.