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Finding the Fourth Proportional to 647,223.60, 972,001.80 and 626,228.40

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Solution

The fourth proportional to 647,223.60, 972,001.80 and 626,228.40 is: 940,471.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,223.60 : 972,001.80 = 626,228.40 : x
  2. Step 2: Convert to fraction form
    647,223.60/972,001.80 = 626,228.40/x
  3. Step 3: Cross multiply
    647,223.60x = 972,001.80 × 626,228.40
  4. Step 4: Simplify right side
    647,223.60x = 608,695,132,011.12
  5. Step 5: Solve for x
    x = 608,695,132,011.12/647,223.60
  6. Step 6: Final answer
    x = 940,471.16

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