Home / 835,478.01-1,253,154.72-266,919.18

Finding the Fourth Proportional to 835,478.01, 1,253,154.72 and 266,919.18

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Solution

The fourth proportional to 835,478.01, 1,253,154.72 and 266,919.18 is: 400,358.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,478.01 : 1,253,154.72 = 266,919.18 : x
  2. Step 2: Convert to fraction form
    835,478.01/1,253,154.72 = 266,919.18/x
  3. Step 3: Cross multiply
    835,478.01x = 1,253,154.72 × 266,919.18
  4. Step 4: Simplify right side
    835,478.01x = 334,491,030,275.53
  5. Step 5: Solve for x
    x = 334,491,030,275.53/835,478.01
  6. Step 6: Final answer
    x = 400,358.87

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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.