Home / 412,721.72-569,314.67-259,517.35

Finding the Fourth Proportional to 412,721.72, 569,314.67 and 259,517.35

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Solution

The fourth proportional to 412,721.72, 569,314.67 and 259,517.35 is: 357,982.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,721.72 : 569,314.67 = 259,517.35 : x
  2. Step 2: Convert to fraction form
    412,721.72/569,314.67 = 259,517.35/x
  3. Step 3: Cross multiply
    412,721.72x = 569,314.67 × 259,517.35
  4. Step 4: Simplify right side
    412,721.72x = 147,747,034,474.53
  5. Step 5: Solve for x
    x = 147,747,034,474.53/412,721.72
  6. Step 6: Final answer
    x = 357,982.21

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1.5x scale

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.