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Finding the Fourth Proportional to 470,711.20, 706,066.80 and 452,340.40

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Solution

The fourth proportional to 470,711.20, 706,066.80 and 452,340.40 is: 678,510.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,711.20 : 706,066.80 = 452,340.40 : x
  2. Step 2: Convert to fraction form
    470,711.20/706,066.80 = 452,340.40/x
  3. Step 3: Cross multiply
    470,711.20x = 706,066.80 × 452,340.40
  4. Step 4: Simplify right side
    470,711.20x = 319,382,538,738.72
  5. Step 5: Solve for x
    x = 319,382,538,738.72/470,711.20
  6. Step 6: Final answer
    x = 678,510.60

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