Home / 835,478.51-1,253,155.47-266,919.68

Finding the Fourth Proportional to 835,478.51, 1,253,155.47 and 266,919.68

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Solution

The fourth proportional to 835,478.51, 1,253,155.47 and 266,919.68 is: 400,359.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,478.51 : 1,253,155.47 = 266,919.68 : x
  2. Step 2: Convert to fraction form
    835,478.51/1,253,155.47 = 266,919.68/x
  3. Step 3: Cross multiply
    835,478.51x = 1,253,155.47 × 266,919.68
  4. Step 4: Simplify right side
    835,478.51x = 334,491,857,042.65
  5. Step 5: Solve for x
    x = 334,491,857,042.65/835,478.51
  6. Step 6: Final answer
    x = 400,359.62

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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.