Home / 718,113.70-1,077,207.46-185,639.34

Finding the Fourth Proportional to 718,113.70, 1,077,207.46 and 185,639.34

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Solution

The fourth proportional to 718,113.70, 1,077,207.46 and 185,639.34 is: 278,468.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,113.70 : 1,077,207.46 = 185,639.34 : x
  2. Step 2: Convert to fraction form
    718,113.70/1,077,207.46 = 185,639.34/x
  3. Step 3: Cross multiply
    718,113.70x = 1,077,207.46 × 185,639.34
  4. Step 4: Simplify right side
    718,113.70x = 199,972,085,492.91
  5. Step 5: Solve for x
    x = 199,972,085,492.91/718,113.70
  6. Step 6: Final answer
    x = 278,468.56

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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.