Home / 925,871.26-1,277,187.93-538,643.20

Finding the Fourth Proportional to 925,871.26, 1,277,187.93 and 538,643.20

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Solution

The fourth proportional to 925,871.26, 1,277,187.93 and 538,643.20 is: 743,028.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,871.26 : 1,277,187.93 = 538,643.20 : x
  2. Step 2: Convert to fraction form
    925,871.26/1,277,187.93 = 538,643.20/x
  3. Step 3: Cross multiply
    925,871.26x = 1,277,187.93 × 538,643.20
  4. Step 4: Simplify right side
    925,871.26x = 687,948,593,616.58
  5. Step 5: Solve for x
    x = 687,948,593,616.58/925,871.26
  6. Step 6: Final answer
    x = 743,028.35

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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.