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Finding the Fourth Proportional to 425,841.20, 638,531.40 and 176,548.40

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Solution

The fourth proportional to 425,841.20, 638,531.40 and 176,548.40 is: 264,727.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,841.20 : 638,531.40 = 176,548.40 : x
  2. Step 2: Convert to fraction form
    425,841.20/638,531.40 = 176,548.40/x
  3. Step 3: Cross multiply
    425,841.20x = 638,531.40 × 176,548.40
  4. Step 4: Simplify right side
    425,841.20x = 112,731,697,019.76
  5. Step 5: Solve for x
    x = 112,731,697,019.76/425,841.20
  6. Step 6: Final answer
    x = 264,727.08

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