Home / 725,766.08-1,001,569.66-399,093.08

Finding the Fourth Proportional to 725,766.08, 1,001,569.66 and 399,093.08

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Solution

The fourth proportional to 725,766.08, 1,001,569.66 and 399,093.08 is: 550,755.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,766.08 : 1,001,569.66 = 399,093.08 : x
  2. Step 2: Convert to fraction form
    725,766.08/1,001,569.66 = 399,093.08/x
  3. Step 3: Cross multiply
    725,766.08x = 1,001,569.66 × 399,093.08
  4. Step 4: Simplify right side
    725,766.08x = 399,719,514,438.37
  5. Step 5: Solve for x
    x = 399,719,514,438.37/725,766.08
  6. Step 6: Final answer
    x = 550,755.30

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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.