Home / 766,015.98-1,149,206.22-386,002.86

Finding the Fourth Proportional to 766,015.98, 1,149,206.22 and 386,002.86

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Solution

The fourth proportional to 766,015.98, 1,149,206.22 and 386,002.86 is: 579,096.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,015.98 : 1,149,206.22 = 386,002.86 : x
  2. Step 2: Convert to fraction form
    766,015.98/1,149,206.22 = 386,002.86/x
  3. Step 3: Cross multiply
    766,015.98x = 1,149,206.22 × 386,002.86
  4. Step 4: Simplify right side
    766,015.98x = 443,596,887,649.79
  5. Step 5: Solve for x
    x = 443,596,887,649.79/766,015.98
  6. Step 6: Final answer
    x = 579,096.13

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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.