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Finding the Fourth Proportional to 649,169.46, 895,837.32 and 362,691.72

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Solution

The fourth proportional to 649,169.46, 895,837.32 and 362,691.72 is: 500,505.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,169.46 : 895,837.32 = 362,691.72 : x
  2. Step 2: Convert to fraction form
    649,169.46/895,837.32 = 362,691.72/x
  3. Step 3: Cross multiply
    649,169.46x = 895,837.32 × 362,691.72
  4. Step 4: Simplify right side
    649,169.46x = 324,912,778,430.99
  5. Step 5: Solve for x
    x = 324,912,778,430.99/649,169.46
  6. Step 6: Final answer
    x = 500,505.34

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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.