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Finding the Fourth Proportional to 499,978.92, 750,113.61 and 180,124.70

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Solution

The fourth proportional to 499,978.92, 750,113.61 and 180,124.70 is: 270,239.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,978.92 : 750,113.61 = 180,124.70 : x
  2. Step 2: Convert to fraction form
    499,978.92/750,113.61 = 180,124.70/x
  3. Step 3: Cross multiply
    499,978.92x = 750,113.61 × 180,124.70
  4. Step 4: Simplify right side
    499,978.92x = 135,113,988,967.17
  5. Step 5: Solve for x
    x = 135,113,988,967.17/499,978.92
  6. Step 6: Final answer
    x = 270,239.37

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