Home / 725,555.29-1,088,329.50-185,810.52

Finding the Fourth Proportional to 725,555.29, 1,088,329.50 and 185,810.52

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Solution

The fourth proportional to 725,555.29, 1,088,329.50 and 185,810.52 is: 278,714.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,555.29 : 1,088,329.50 = 185,810.52 : x
  2. Step 2: Convert to fraction form
    725,555.29/1,088,329.50 = 185,810.52/x
  3. Step 3: Cross multiply
    725,555.29x = 1,088,329.50 × 185,810.52
  4. Step 4: Simplify right side
    725,555.29x = 202,223,070,326.34
  5. Step 5: Solve for x
    x = 202,223,070,326.34/725,555.29
  6. Step 6: Final answer
    x = 278,714.90

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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.