Home / 725,894.60-1,088,064.30-326,467.40

Finding the Fourth Proportional to 725,894.60, 1,088,064.30 and 326,467.40

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Solution

The fourth proportional to 725,894.60, 1,088,064.30 and 326,467.40 is: 489,351.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,894.60 : 1,088,064.30 = 326,467.40 : x
  2. Step 2: Convert to fraction form
    725,894.60/1,088,064.30 = 326,467.40/x
  3. Step 3: Cross multiply
    725,894.60x = 1,088,064.30 × 326,467.40
  4. Step 4: Simplify right side
    725,894.60x = 355,217,523,053.82
  5. Step 5: Solve for x
    x = 355,217,523,053.82/725,894.60
  6. Step 6: Final answer
    x = 489,351.38

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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.