Home / 725,854.78-1,001,735.70-435,477.27

Finding the Fourth Proportional to 725,854.78, 1,001,735.70 and 435,477.27

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Solution

The fourth proportional to 725,854.78, 1,001,735.70 and 435,477.27 is: 600,992.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,854.78 : 1,001,735.70 = 435,477.27 : x
  2. Step 2: Convert to fraction form
    725,854.78/1,001,735.70 = 435,477.27/x
  3. Step 3: Cross multiply
    725,854.78x = 1,001,735.70 × 435,477.27
  4. Step 4: Simplify right side
    725,854.78x = 436,233,126,835.80
  5. Step 5: Solve for x
    x = 436,233,126,835.80/725,854.78
  6. Step 6: Final answer
    x = 600,992.29

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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.