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Finding the Fourth Proportional to 487,857.60, 732,247.20 and 301,233.60

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Solution

The fourth proportional to 487,857.60, 732,247.20 and 301,233.60 is: 452,134.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,857.60 : 732,247.20 = 301,233.60 : x
  2. Step 2: Convert to fraction form
    487,857.60/732,247.20 = 301,233.60/x
  3. Step 3: Cross multiply
    487,857.60x = 732,247.20 × 301,233.60
  4. Step 4: Simplify right side
    487,857.60x = 220,577,460,145.92
  5. Step 5: Solve for x
    x = 220,577,460,145.92/487,857.60
  6. Step 6: Final answer
    x = 452,134.93

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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.