Home / 763,423.40-1,145,135.10-202,514.60

Finding the Fourth Proportional to 763,423.40, 1,145,135.10 and 202,514.60

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Solution

The fourth proportional to 763,423.40, 1,145,135.10 and 202,514.60 is: 303,771.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,423.40 : 1,145,135.10 = 202,514.60 : x
  2. Step 2: Convert to fraction form
    763,423.40/1,145,135.10 = 202,514.60/x
  3. Step 3: Cross multiply
    763,423.40x = 1,145,135.10 × 202,514.60
  4. Step 4: Simplify right side
    763,423.40x = 231,906,576,722.46
  5. Step 5: Solve for x
    x = 231,906,576,722.46/763,423.40
  6. Step 6: Final answer
    x = 303,771.90

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Double scale
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Similar ratio
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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.