Home / 815,467.20-1,223,200.80-602,890.80

Finding the Fourth Proportional to 815,467.20, 1,223,200.80 and 602,890.80

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Solution

The fourth proportional to 815,467.20, 1,223,200.80 and 602,890.80 is: 904,336.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,467.20 : 1,223,200.80 = 602,890.80 : x
  2. Step 2: Convert to fraction form
    815,467.20/1,223,200.80 = 602,890.80/x
  3. Step 3: Cross multiply
    815,467.20x = 1,223,200.80 × 602,890.80
  4. Step 4: Simplify right side
    815,467.20x = 737,456,508,872.64
  5. Step 5: Solve for x
    x = 737,456,508,872.64/815,467.20
  6. Step 6: Final answer
    x = 904,336.20

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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.