Home / 832,456.54-1,248,179.15-326,411.24

Finding the Fourth Proportional to 832,456.54, 1,248,179.15 and 326,411.24

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Solution

The fourth proportional to 832,456.54, 1,248,179.15 and 326,411.24 is: 489,418.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,456.54 : 1,248,179.15 = 326,411.24 : x
  2. Step 2: Convert to fraction form
    832,456.54/1,248,179.15 = 326,411.24/x
  3. Step 3: Cross multiply
    832,456.54x = 1,248,179.15 × 326,411.24
  4. Step 4: Simplify right side
    832,456.54x = 407,419,698,668.78
  5. Step 5: Solve for x
    x = 407,419,698,668.78/832,456.54
  6. Step 6: Final answer
    x = 489,418.58

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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.