Home / 725,820.07-1,001,687.75-435,442.54

Finding the Fourth Proportional to 725,820.07, 1,001,687.75 and 435,442.54

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Solution

The fourth proportional to 725,820.07, 1,001,687.75 and 435,442.54 is: 600,944.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,820.07 : 1,001,687.75 = 435,442.54 : x
  2. Step 2: Convert to fraction form
    725,820.07/1,001,687.75 = 435,442.54/x
  3. Step 3: Cross multiply
    725,820.07x = 1,001,687.75 × 435,442.54
  4. Step 4: Simplify right side
    725,820.07x = 436,177,458,146.89
  5. Step 5: Solve for x
    x = 436,177,458,146.89/725,820.07
  6. Step 6: Final answer
    x = 600,944.33

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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.