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Finding the Fourth Proportional to 497,190.60, 745,785.90 and 429,539.40

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Solution

The fourth proportional to 497,190.60, 745,785.90 and 429,539.40 is: 644,309.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,190.60 : 745,785.90 = 429,539.40 : x
  2. Step 2: Convert to fraction form
    497,190.60/745,785.90 = 429,539.40/x
  3. Step 3: Cross multiply
    497,190.60x = 745,785.90 × 429,539.40
  4. Step 4: Simplify right side
    497,190.60x = 320,344,428,014.46
  5. Step 5: Solve for x
    x = 320,344,428,014.46/497,190.60
  6. Step 6: Final answer
    x = 644,309.10

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