Home / 412,746.54-619,119.95-272,472.36

Finding the Fourth Proportional to 412,746.54, 619,119.95 and 272,472.36

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Solution

The fourth proportional to 412,746.54, 619,119.95 and 272,472.36 is: 408,708.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,746.54 : 619,119.95 = 272,472.36 : x
  2. Step 2: Convert to fraction form
    412,746.54/619,119.95 = 272,472.36/x
  3. Step 3: Cross multiply
    412,746.54x = 619,119.95 × 272,472.36
  4. Step 4: Simplify right side
    412,746.54x = 168,693,072,537.22
  5. Step 5: Solve for x
    x = 168,693,072,537.22/412,746.54
  6. Step 6: Final answer
    x = 408,708.63

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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.