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Finding the Fourth Proportional to 729,978.40, 1,094,492.40 and 655,328.80

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Solution

The fourth proportional to 729,978.40, 1,094,492.40 and 655,328.80 is: 982,566.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,978.40 : 1,094,492.40 = 655,328.80 : x
  2. Step 2: Convert to fraction form
    729,978.40/1,094,492.40 = 655,328.80/x
  3. Step 3: Cross multiply
    729,978.40x = 1,094,492.40 × 655,328.80
  4. Step 4: Simplify right side
    729,978.40x = 717,252,391,101.12
  5. Step 5: Solve for x
    x = 717,252,391,101.12/729,978.40
  6. Step 6: Final answer
    x = 982,566.60

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Why These Related Problems?

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