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Finding the Fourth Proportional to 453,740.80, 680,870.40 and 173,459.20

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Solution

The fourth proportional to 453,740.80, 680,870.40 and 173,459.20 is: 260,287.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,740.80 : 680,870.40 = 173,459.20 : x
  2. Step 2: Convert to fraction form
    453,740.80/680,870.40 = 173,459.20/x
  3. Step 3: Cross multiply
    453,740.80x = 680,870.40 × 173,459.20
  4. Step 4: Simplify right side
    453,740.80x = 118,103,234,887.68
  5. Step 5: Solve for x
    x = 118,103,234,887.68/453,740.80
  6. Step 6: Final answer
    x = 260,287.89

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