Home / 725,763.75-1,001,588.15-403,479.22

Finding the Fourth Proportional to 725,763.75, 1,001,588.15 and 403,479.22

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Solution

The fourth proportional to 725,763.75, 1,001,588.15 and 403,479.22 is: 556,820.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,763.75 : 1,001,588.15 = 403,479.22 : x
  2. Step 2: Convert to fraction form
    725,763.75/1,001,588.15 = 403,479.22/x
  3. Step 3: Cross multiply
    725,763.75x = 1,001,588.15 × 403,479.22
  4. Step 4: Simplify right side
    725,763.75x = 404,120,003,505.85
  5. Step 5: Solve for x
    x = 404,120,003,505.85/725,763.75
  6. Step 6: Final answer
    x = 556,820.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.