Home / 477,510.20-658,951.11-270,816.51

Finding the Fourth Proportional to 477,510.20, 658,951.11 and 270,816.51

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Solution

The fourth proportional to 477,510.20, 658,951.11 and 270,816.51 is: 373,719.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,510.20 : 658,951.11 = 270,816.51 : x
  2. Step 2: Convert to fraction form
    477,510.20/658,951.11 = 270,816.51/x
  3. Step 3: Cross multiply
    477,510.20x = 658,951.11 × 270,816.51
  4. Step 4: Simplify right side
    477,510.20x = 178,454,839,870.83
  5. Step 5: Solve for x
    x = 178,454,839,870.83/477,510.20
  6. Step 6: Final answer
    x = 373,719.43

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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.