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Finding the Fourth Proportional to 488,861.46, 732,208.41 and 375,708.54

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Solution

The fourth proportional to 488,861.46, 732,208.41 and 375,708.54 is: 562,729.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,861.46 : 732,208.41 = 375,708.54 : x
  2. Step 2: Convert to fraction form
    488,861.46/732,208.41 = 375,708.54/x
  3. Step 3: Cross multiply
    488,861.46x = 732,208.41 × 375,708.54
  4. Step 4: Simplify right side
    488,861.46x = 275,096,952,696.82
  5. Step 5: Solve for x
    x = 275,096,952,696.82/488,861.46
  6. Step 6: Final answer
    x = 562,729.88

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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.