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Finding the Fourth Proportional to 498,312.60, 747,468.90 and 346,097.40

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Solution

The fourth proportional to 498,312.60, 747,468.90 and 346,097.40 is: 519,146.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,312.60 : 747,468.90 = 346,097.40 : x
  2. Step 2: Convert to fraction form
    498,312.60/747,468.90 = 346,097.40/x
  3. Step 3: Cross multiply
    498,312.60x = 747,468.90 × 346,097.40
  4. Step 4: Simplify right side
    498,312.60x = 258,697,042,870.86
  5. Step 5: Solve for x
    x = 258,697,042,870.86/498,312.60
  6. Step 6: Final answer
    x = 519,146.10

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