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Finding the Fourth Proportional to 487,267.40, 730,901.10 and 404,323.40

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Solution

The fourth proportional to 487,267.40, 730,901.10 and 404,323.40 is: 606,485.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,267.40 : 730,901.10 = 404,323.40 : x
  2. Step 2: Convert to fraction form
    487,267.40/730,901.10 = 404,323.40/x
  3. Step 3: Cross multiply
    487,267.40x = 730,901.10 × 404,323.40
  4. Step 4: Simplify right side
    487,267.40x = 295,520,417,815.74
  5. Step 5: Solve for x
    x = 295,520,417,815.74/487,267.40
  6. Step 6: Final answer
    x = 606,485.10

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