Home / 925,272.32-1,386,963.20-525,067.84

Finding the Fourth Proportional to 925,272.32, 1,386,963.20 and 525,067.84

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Solution

The fourth proportional to 925,272.32, 1,386,963.20 and 525,067.84 is: 787,065.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,272.32 : 1,386,963.20 = 525,067.84 : x
  2. Step 2: Convert to fraction form
    925,272.32/1,386,963.20 = 525,067.84/x
  3. Step 3: Cross multiply
    925,272.32x = 1,386,963.20 × 525,067.84
  4. Step 4: Simplify right side
    925,272.32x = 728,249,771,583.49
  5. Step 5: Solve for x
    x = 728,249,771,583.49/925,272.32
  6. Step 6: Final answer
    x = 787,065.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.