Home / 725,855.04-1,088,659.71-220,294.89

Finding the Fourth Proportional to 725,855.04, 1,088,659.71 and 220,294.89

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Solution

The fourth proportional to 725,855.04, 1,088,659.71 and 220,294.89 is: 330,405.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,855.04 : 1,088,659.71 = 220,294.89 : x
  2. Step 2: Convert to fraction form
    725,855.04/1,088,659.71 = 220,294.89/x
  3. Step 3: Cross multiply
    725,855.04x = 1,088,659.71 × 220,294.89
  4. Step 4: Simplify right side
    725,855.04x = 239,826,171,061.88
  5. Step 5: Solve for x
    x = 239,826,171,061.88/725,855.04
  6. Step 6: Final answer
    x = 330,405.05

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Double scale
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1.5x scale

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.