Home / 725,358.58-1,001,086.88-438,881.02

Finding the Fourth Proportional to 725,358.58, 1,001,086.88 and 438,881.02

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Solution

The fourth proportional to 725,358.58, 1,001,086.88 and 438,881.02 is: 605,711.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,358.58 : 1,001,086.88 = 438,881.02 : x
  2. Step 2: Convert to fraction form
    725,358.58/1,001,086.88 = 438,881.02/x
  3. Step 3: Cross multiply
    725,358.58x = 1,001,086.88 × 438,881.02
  4. Step 4: Simplify right side
    725,358.58x = 439,358,031,003.02
  5. Step 5: Solve for x
    x = 439,358,031,003.02/725,358.58
  6. Step 6: Final answer
    x = 605,711.50

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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.