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Finding the Fourth Proportional to 487,646.75, 672,978.65 and 272,774.00

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Solution

The fourth proportional to 487,646.75, 672,978.65 and 272,774.00 is: 376,442.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,646.75 : 672,978.65 = 272,774.00 : x
  2. Step 2: Convert to fraction form
    487,646.75/672,978.65 = 272,774.00/x
  3. Step 3: Cross multiply
    487,646.75x = 672,978.65 × 272,774.00
  4. Step 4: Simplify right side
    487,646.75x = 183,571,073,546.34
  5. Step 5: Solve for x
    x = 183,571,073,546.34/487,646.75
  6. Step 6: Final answer
    x = 376,442.73

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