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Finding the Fourth Proportional to 488,650, 732,133.44 and 381,992.40

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Solution

The fourth proportional to 488,650, 732,133.44 and 381,992.40 is: 572,330.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,650 : 732,133.44 = 381,992.40 : x
  2. Step 2: Convert to fraction form
    488,650/732,133.44 = 381,992.40/x
  3. Step 3: Cross multiply
    488,650x = 732,133.44 × 381,992.40
  4. Step 4: Simplify right side
    488,650x = 279,669,409,865.86
  5. Step 5: Solve for x
    x = 279,669,409,865.86/488,650
  6. Step 6: Final answer
    x = 572,330.73

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.