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Finding the Fourth Proportional to 615,124.40, 922,832.40 and 315,651.20

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Solution

The fourth proportional to 615,124.40, 922,832.40 and 315,651.20 is: 473,551.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,124.40 : 922,832.40 = 315,651.20 : x
  2. Step 2: Convert to fraction form
    615,124.40/922,832.40 = 315,651.20/x
  3. Step 3: Cross multiply
    615,124.40x = 922,832.40 × 315,651.20
  4. Step 4: Simplify right side
    615,124.40x = 291,293,154,458.88
  5. Step 5: Solve for x
    x = 291,293,154,458.88/615,124.40
  6. Step 6: Final answer
    x = 473,551.62

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