Home / 412,746.29-619,119.57-272,472.11

Finding the Fourth Proportional to 412,746.29, 619,119.57 and 272,472.11

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Solution

The fourth proportional to 412,746.29, 619,119.57 and 272,472.11 is: 408,708.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,746.29 : 619,119.57 = 272,472.11 : x
  2. Step 2: Convert to fraction form
    412,746.29/619,119.57 = 272,472.11/x
  3. Step 3: Cross multiply
    412,746.29x = 619,119.57 × 272,472.11
  4. Step 4: Simplify right side
    412,746.29x = 168,692,815,580.19
  5. Step 5: Solve for x
    x = 168,692,815,580.19/412,746.29
  6. Step 6: Final answer
    x = 408,708.25

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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.