Home / 498,527.07-687,963.85-272,172.57

Finding the Fourth Proportional to 498,527.07, 687,963.85 and 272,172.57

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Solution

The fourth proportional to 498,527.07, 687,963.85 and 272,172.57 is: 375,596.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,527.07 : 687,963.85 = 272,172.57 : x
  2. Step 2: Convert to fraction form
    498,527.07/687,963.85 = 272,172.57/x
  3. Step 3: Cross multiply
    498,527.07x = 687,963.85 × 272,172.57
  4. Step 4: Simplify right side
    498,527.07x = 187,244,888,441.16
  5. Step 5: Solve for x
    x = 187,244,888,441.16/498,527.07
  6. Step 6: Final answer
    x = 375,596.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.