Home / 412,734.79-619,102.23-272,460.61

Finding the Fourth Proportional to 412,734.79, 619,102.23 and 272,460.61

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Solution

The fourth proportional to 412,734.79, 619,102.23 and 272,460.61 is: 408,690.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,734.79 : 619,102.23 = 272,460.61 : x
  2. Step 2: Convert to fraction form
    412,734.79/619,102.23 = 272,460.61/x
  3. Step 3: Cross multiply
    412,734.79x = 619,102.23 × 272,460.61
  4. Step 4: Simplify right side
    412,734.79x = 168,680,971,238.16
  5. Step 5: Solve for x
    x = 168,680,971,238.16/412,734.79
  6. Step 6: Final answer
    x = 408,690.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.