Home / 725,959.26-1,001,680.20-439,506

Finding the Fourth Proportional to 725,959.26, 1,001,680.20 and 439,506

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Solution

The fourth proportional to 725,959.26, 1,001,680.20 and 439,506 is: 606,431.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,959.26 : 1,001,680.20 = 439,506 : x
  2. Step 2: Convert to fraction form
    725,959.26/1,001,680.20 = 439,506/x
  3. Step 3: Cross multiply
    725,959.26x = 1,001,680.20 × 439,506
  4. Step 4: Simplify right side
    725,959.26x = 440,244,457,981.20
  5. Step 5: Solve for x
    x = 440,244,457,981.20/725,959.26
  6. Step 6: Final answer
    x = 606,431.36

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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.