Home / 766,275.81-1,149,509.13-260,797.94

Finding the Fourth Proportional to 766,275.81, 1,149,509.13 and 260,797.94

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Solution

The fourth proportional to 766,275.81, 1,149,509.13 and 260,797.94 is: 391,229.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,275.81 : 1,149,509.13 = 260,797.94 : x
  2. Step 2: Convert to fraction form
    766,275.81/1,149,509.13 = 260,797.94/x
  3. Step 3: Cross multiply
    766,275.81x = 1,149,509.13 × 260,797.94
  4. Step 4: Simplify right side
    766,275.81x = 299,789,612,167.30
  5. Step 5: Solve for x
    x = 299,789,612,167.30/766,275.81
  6. Step 6: Final answer
    x = 391,229.38

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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.