Home / 815,601.20-1,223,401.80-224,625.20

Finding the Fourth Proportional to 815,601.20, 1,223,401.80 and 224,625.20

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Solution

The fourth proportional to 815,601.20, 1,223,401.80 and 224,625.20 is: 336,937.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,601.20 : 1,223,401.80 = 224,625.20 : x
  2. Step 2: Convert to fraction form
    815,601.20/1,223,401.80 = 224,625.20/x
  3. Step 3: Cross multiply
    815,601.20x = 1,223,401.80 × 224,625.20
  4. Step 4: Simplify right side
    815,601.20x = 274,806,874,005.36
  5. Step 5: Solve for x
    x = 274,806,874,005.36/815,601.20
  6. Step 6: Final answer
    x = 336,937.80

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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.