Home / 718,250.66-1,077,386.64-212,862.90

Finding the Fourth Proportional to 718,250.66, 1,077,386.64 and 212,862.90

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Solution

The fourth proportional to 718,250.66, 1,077,386.64 and 212,862.90 is: 319,297.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,250.66 : 1,077,386.64 = 212,862.90 : x
  2. Step 2: Convert to fraction form
    718,250.66/1,077,386.64 = 212,862.90/x
  3. Step 3: Cross multiply
    718,250.66x = 1,077,386.64 × 212,862.90
  4. Step 4: Simplify right side
    718,250.66x = 229,335,647,853.62
  5. Step 5: Solve for x
    x = 229,335,647,853.62/718,250.66
  6. Step 6: Final answer
    x = 319,297.51

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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.