Home / 763,614.40-1,145,551.20-231,131.20

Finding the Fourth Proportional to 763,614.40, 1,145,551.20 and 231,131.20

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Solution

The fourth proportional to 763,614.40, 1,145,551.20 and 231,131.20 is: 346,736.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,614.40 : 1,145,551.20 = 231,131.20 : x
  2. Step 2: Convert to fraction form
    763,614.40/1,145,551.20 = 231,131.20/x
  3. Step 3: Cross multiply
    763,614.40x = 1,145,551.20 × 231,131.20
  4. Step 4: Simplify right side
    763,614.40x = 264,772,623,517.44
  5. Step 5: Solve for x
    x = 264,772,623,517.44/763,614.40
  6. Step 6: Final answer
    x = 346,736.03

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Double scale
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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.