Home / 725,358.08-1,001,086.19-438,880.52

Finding the Fourth Proportional to 725,358.08, 1,001,086.19 and 438,880.52

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Solution

The fourth proportional to 725,358.08, 1,001,086.19 and 438,880.52 is: 605,710.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,358.08 : 1,001,086.19 = 438,880.52 : x
  2. Step 2: Convert to fraction form
    725,358.08/1,001,086.19 = 438,880.52/x
  3. Step 3: Cross multiply
    725,358.08x = 1,001,086.19 × 438,880.52
  4. Step 4: Simplify right side
    725,358.08x = 439,357,227,632.02
  5. Step 5: Solve for x
    x = 439,357,227,632.02/725,358.08
  6. Step 6: Final answer
    x = 605,710.81

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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.