Home / 725,810.31-1,001,508.32-415,664.66

Finding the Fourth Proportional to 725,810.31, 1,001,508.32 and 415,664.66

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Solution

The fourth proportional to 725,810.31, 1,001,508.32 and 415,664.66 is: 573,554.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,810.31 : 1,001,508.32 = 415,664.66 : x
  2. Step 2: Convert to fraction form
    725,810.31/1,001,508.32 = 415,664.66/x
  3. Step 3: Cross multiply
    725,810.31x = 1,001,508.32 × 415,664.66
  4. Step 4: Simplify right side
    725,810.31x = 416,291,618,862.90
  5. Step 5: Solve for x
    x = 416,291,618,862.90/725,810.31
  6. Step 6: Final answer
    x = 573,554.29

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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.