Home / 750,768.30-1,126,223.97-211,023.18

Finding the Fourth Proportional to 750,768.30, 1,126,223.97 and 211,023.18

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Solution

The fourth proportional to 750,768.30, 1,126,223.97 and 211,023.18 is: 316,554.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,768.30 : 1,126,223.97 = 211,023.18 : x
  2. Step 2: Convert to fraction form
    750,768.30/1,126,223.97 = 211,023.18/x
  3. Step 3: Cross multiply
    750,768.30x = 1,126,223.97 × 211,023.18
  4. Step 4: Simplify right side
    750,768.30x = 237,659,363,541.63
  5. Step 5: Solve for x
    x = 237,659,363,541.63/750,768.30
  6. Step 6: Final answer
    x = 316,554.87

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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.