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Finding the Fourth Proportional to 497,114.40, 745,671.60 and 458,623.20

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Solution

The fourth proportional to 497,114.40, 745,671.60 and 458,623.20 is: 687,934.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,114.40 : 745,671.60 = 458,623.20 : x
  2. Step 2: Convert to fraction form
    497,114.40/745,671.60 = 458,623.20/x
  3. Step 3: Cross multiply
    497,114.40x = 745,671.60 × 458,623.20
  4. Step 4: Simplify right side
    497,114.40x = 341,982,295,341.12
  5. Step 5: Solve for x
    x = 341,982,295,341.12/497,114.40
  6. Step 6: Final answer
    x = 687,934.80

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