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Finding the Fourth Proportional to 604,873.20, 907,309.80 and 415,916.40

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Solution

The fourth proportional to 604,873.20, 907,309.80 and 415,916.40 is: 623,874.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,873.20 : 907,309.80 = 415,916.40 : x
  2. Step 2: Convert to fraction form
    604,873.20/907,309.80 = 415,916.40/x
  3. Step 3: Cross multiply
    604,873.20x = 907,309.80 × 415,916.40
  4. Step 4: Simplify right side
    604,873.20x = 377,365,025,700.72
  5. Step 5: Solve for x
    x = 377,365,025,700.72/604,873.20
  6. Step 6: Final answer
    x = 623,874.60

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