Home / 718,256.97-1,077,401.86-212,808.46

Finding the Fourth Proportional to 718,256.97, 1,077,401.86 and 212,808.46

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Solution

The fourth proportional to 718,256.97, 1,077,401.86 and 212,808.46 is: 319,217.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,256.97 : 1,077,401.86 = 212,808.46 : x
  2. Step 2: Convert to fraction form
    718,256.97/1,077,401.86 = 212,808.46/x
  3. Step 3: Cross multiply
    718,256.97x = 1,077,401.86 × 212,808.46
  4. Step 4: Simplify right side
    718,256.97x = 229,280,230,627.74
  5. Step 5: Solve for x
    x = 229,280,230,627.74/718,256.97
  6. Step 6: Final answer
    x = 319,217.55

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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.