Home / 725,689.46-1,088,537.64-220,254.80

Finding the Fourth Proportional to 725,689.46, 1,088,537.64 and 220,254.80

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Solution

The fourth proportional to 725,689.46, 1,088,537.64 and 220,254.80 is: 330,383.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,689.46 : 1,088,537.64 = 220,254.80 : x
  2. Step 2: Convert to fraction form
    725,689.46/1,088,537.64 = 220,254.80/x
  3. Step 3: Cross multiply
    725,689.46x = 1,088,537.64 × 220,254.80
  4. Step 4: Simplify right side
    725,689.46x = 239,755,634,747.98
  5. Step 5: Solve for x
    x = 239,755,634,747.98/725,689.46
  6. Step 6: Final answer
    x = 330,383.24

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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.