Home / 718,255.97-1,077,400.36-212,807.46

Finding the Fourth Proportional to 718,255.97, 1,077,400.36 and 212,807.46

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Solution

The fourth proportional to 718,255.97, 1,077,400.36 and 212,807.46 is: 319,216.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,255.97 : 1,077,400.36 = 212,807.46 : x
  2. Step 2: Convert to fraction form
    718,255.97/1,077,400.36 = 212,807.46/x
  3. Step 3: Cross multiply
    718,255.97x = 1,077,400.36 × 212,807.46
  4. Step 4: Simplify right side
    718,255.97x = 229,278,838,320.95
  5. Step 5: Solve for x
    x = 229,278,838,320.95/718,255.97
  6. Step 6: Final answer
    x = 319,216.06

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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.