Home / 750,945.40-1,126,418.10-218,483.80

Finding the Fourth Proportional to 750,945.40, 1,126,418.10 and 218,483.80

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Solution

The fourth proportional to 750,945.40, 1,126,418.10 and 218,483.80 is: 327,725.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,945.40 : 1,126,418.10 = 218,483.80 : x
  2. Step 2: Convert to fraction form
    750,945.40/1,126,418.10 = 218,483.80/x
  3. Step 3: Cross multiply
    750,945.40x = 1,126,418.10 × 218,483.80
  4. Step 4: Simplify right side
    750,945.40x = 246,104,106,876.78
  5. Step 5: Solve for x
    x = 246,104,106,876.78/750,945.40
  6. Step 6: Final answer
    x = 327,725.70

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Double scale
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Similar ratio
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1.5x scale

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.