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Finding the Fourth Proportional to 649,956, 896,931.72 and 363,473.40

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Solution

The fourth proportional to 649,956, 896,931.72 and 363,473.40 is: 501,589.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,956 : 896,931.72 = 363,473.40 : x
  2. Step 2: Convert to fraction form
    649,956/896,931.72 = 363,473.40/x
  3. Step 3: Cross multiply
    649,956x = 896,931.72 × 363,473.40
  4. Step 4: Simplify right side
    649,956x = 326,010,821,836.25
  5. Step 5: Solve for x
    x = 326,010,821,836.25/649,956
  6. Step 6: Final answer
    x = 501,589.06

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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.