Home / 676,712.92-1,014,990.36-271,888.72

Finding the Fourth Proportional to 676,712.92, 1,014,990.36 and 271,888.72

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Solution

The fourth proportional to 676,712.92, 1,014,990.36 and 271,888.72 is: 407,801.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,712.92 : 1,014,990.36 = 271,888.72 : x
  2. Step 2: Convert to fraction form
    676,712.92/1,014,990.36 = 271,888.72/x
  3. Step 3: Cross multiply
    676,712.92x = 1,014,990.36 × 271,888.72
  4. Step 4: Simplify right side
    676,712.92x = 275,964,429,792.74
  5. Step 5: Solve for x
    x = 275,964,429,792.74/676,712.92
  6. Step 6: Final answer
    x = 407,801.33

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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.