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Finding the Fourth Proportional to 477,623.20, 716,434.80 and 459,252.40

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Solution

The fourth proportional to 477,623.20, 716,434.80 and 459,252.40 is: 688,878.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,623.20 : 716,434.80 = 459,252.40 : x
  2. Step 2: Convert to fraction form
    477,623.20/716,434.80 = 459,252.40/x
  3. Step 3: Cross multiply
    477,623.20x = 716,434.80 × 459,252.40
  4. Step 4: Simplify right side
    477,623.20x = 329,024,401,343.52
  5. Step 5: Solve for x
    x = 329,024,401,343.52/477,623.20
  6. Step 6: Final answer
    x = 688,878.60

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