Home / 712,264.05-982,924.53-389,974.23

Finding the Fourth Proportional to 712,264.05, 982,924.53 and 389,974.23

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Solution

The fourth proportional to 712,264.05, 982,924.53 and 389,974.23 is: 538,164.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,264.05 : 982,924.53 = 389,974.23 : x
  2. Step 2: Convert to fraction form
    712,264.05/982,924.53 = 389,974.23/x
  3. Step 3: Cross multiply
    712,264.05x = 982,924.53 × 389,974.23
  4. Step 4: Simplify right side
    712,264.05x = 383,315,236,734.86
  5. Step 5: Solve for x
    x = 383,315,236,734.86/712,264.05
  6. Step 6: Final answer
    x = 538,164.51

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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.