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Finding the Fourth Proportional to 502,402.40, 753,603.60 and 498,903.20

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Solution

The fourth proportional to 502,402.40, 753,603.60 and 498,903.20 is: 748,354.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,402.40 : 753,603.60 = 498,903.20 : x
  2. Step 2: Convert to fraction form
    502,402.40/753,603.60 = 498,903.20/x
  3. Step 3: Cross multiply
    502,402.40x = 753,603.60 × 498,903.20
  4. Step 4: Simplify right side
    502,402.40x = 375,975,247,571.52
  5. Step 5: Solve for x
    x = 375,975,247,571.52/502,402.40
  6. Step 6: Final answer
    x = 748,354.80

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