Home / 499,061.56-688,721.94-272,721.64

Finding the Fourth Proportional to 499,061.56, 688,721.94 and 272,721.64

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Solution

The fourth proportional to 499,061.56, 688,721.94 and 272,721.64 is: 376,365.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,061.56 : 688,721.94 = 272,721.64 : x
  2. Step 2: Convert to fraction form
    499,061.56/688,721.94 = 272,721.64/x
  3. Step 3: Cross multiply
    499,061.56x = 688,721.94 × 272,721.64
  4. Step 4: Simplify right side
    499,061.56x = 187,829,376,980.78
  5. Step 5: Solve for x
    x = 187,829,376,980.78/499,061.56
  6. Step 6: Final answer
    x = 376,365.15

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