Home / 725,209.02-1,087,649.49-275,769.62

Finding the Fourth Proportional to 725,209.02, 1,087,649.49 and 275,769.62

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Solution

The fourth proportional to 725,209.02, 1,087,649.49 and 275,769.62 is: 413,592.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,209.02 : 1,087,649.49 = 275,769.62 : x
  2. Step 2: Convert to fraction form
    725,209.02/1,087,649.49 = 275,769.62/x
  3. Step 3: Cross multiply
    725,209.02x = 1,087,649.49 × 275,769.62
  4. Step 4: Simplify right side
    725,209.02x = 299,940,686,550.49
  5. Step 5: Solve for x
    x = 299,940,686,550.49/725,209.02
  6. Step 6: Final answer
    x = 413,592.05

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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.