Home / 725,871.24-1,088,097.30-326,612.52

Finding the Fourth Proportional to 725,871.24, 1,088,097.30 and 326,612.52

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Solution

The fourth proportional to 725,871.24, 1,088,097.30 and 326,612.52 is: 489,599.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,871.24 : 1,088,097.30 = 326,612.52 : x
  2. Step 2: Convert to fraction form
    725,871.24/1,088,097.30 = 326,612.52/x
  3. Step 3: Cross multiply
    725,871.24x = 1,088,097.30 × 326,612.52
  4. Step 4: Simplify right side
    725,871.24x = 355,386,201,158.20
  5. Step 5: Solve for x
    x = 355,386,201,158.20/725,871.24
  6. Step 6: Final answer
    x = 489,599.51

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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.