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Finding the Fourth Proportional to 674,324.10, 928,672.83 and 659,627.46

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Solution

The fourth proportional to 674,324.10, 928,672.83 and 659,627.46 is: 908,432.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,324.10 : 928,672.83 = 659,627.46 : x
  2. Step 2: Convert to fraction form
    674,324.10/928,672.83 = 659,627.46/x
  3. Step 3: Cross multiply
    674,324.10x = 928,672.83 × 659,627.46
  4. Step 4: Simplify right side
    674,324.10x = 612,578,100,023.91
  5. Step 5: Solve for x
    x = 612,578,100,023.91/674,324.10
  6. Step 6: Final answer
    x = 908,432.76

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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.