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Finding the Fourth Proportional to 575,244.40, 861,311.40 and 450,828.40

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Solution

The fourth proportional to 575,244.40, 861,311.40 and 450,828.40 is: 675,023.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,244.40 : 861,311.40 = 450,828.40 : x
  2. Step 2: Convert to fraction form
    575,244.40/861,311.40 = 450,828.40/x
  3. Step 3: Cross multiply
    575,244.40x = 861,311.40 × 450,828.40
  4. Step 4: Simplify right side
    575,244.40x = 388,303,640,363.76
  5. Step 5: Solve for x
    x = 388,303,640,363.76/575,244.40
  6. Step 6: Final answer
    x = 675,023.76

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