Home / 725,506.90-1,088,262.88-220,072.23

Finding the Fourth Proportional to 725,506.90, 1,088,262.88 and 220,072.23

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Solution

The fourth proportional to 725,506.90, 1,088,262.88 and 220,072.23 is: 330,109.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,506.90 : 1,088,262.88 = 220,072.23 : x
  2. Step 2: Convert to fraction form
    725,506.90/1,088,262.88 = 220,072.23/x
  3. Step 3: Cross multiply
    725,506.90x = 1,088,262.88 × 220,072.23
  4. Step 4: Simplify right side
    725,506.90x = 239,496,438,277.64
  5. Step 5: Solve for x
    x = 239,496,438,277.64/725,506.90
  6. Step 6: Final answer
    x = 330,109.11

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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.