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Finding the Fourth Proportional to 664,560.64, 996,097.92 and 349,050.88

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Solution

The fourth proportional to 664,560.64, 996,097.92 and 349,050.88 is: 523,186.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,560.64 : 996,097.92 = 349,050.88 : x
  2. Step 2: Convert to fraction form
    664,560.64/996,097.92 = 349,050.88/x
  3. Step 3: Cross multiply
    664,560.64x = 996,097.92 × 349,050.88
  4. Step 4: Simplify right side
    664,560.64x = 347,688,855,542.17
  5. Step 5: Solve for x
    x = 347,688,855,542.17/664,560.64
  6. Step 6: Final answer
    x = 523,186.05

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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.