Home / 763,739.88-1,146,610.97-512,146.18

Finding the Fourth Proportional to 763,739.88, 1,146,610.97 and 512,146.18

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Solution

The fourth proportional to 763,739.88, 1,146,610.97 and 512,146.18 is: 768,890.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,739.88 : 1,146,610.97 = 512,146.18 : x
  2. Step 2: Convert to fraction form
    763,739.88/1,146,610.97 = 512,146.18/x
  3. Step 3: Cross multiply
    763,739.88x = 1,146,610.97 × 512,146.18
  4. Step 4: Simplify right side
    763,739.88x = 587,232,428,231.60
  5. Step 5: Solve for x
    x = 587,232,428,231.60/763,739.88
  6. Step 6: Final answer
    x = 768,890.62

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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.