Home / 790,452.57-1,090,825.07-427,879.41

Finding the Fourth Proportional to 790,452.57, 1,090,825.07 and 427,879.41

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Solution

The fourth proportional to 790,452.57, 1,090,825.07 and 427,879.41 is: 590,473.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,452.57 : 1,090,825.07 = 427,879.41 : x
  2. Step 2: Convert to fraction form
    790,452.57/1,090,825.07 = 427,879.41/x
  3. Step 3: Cross multiply
    790,452.57x = 1,090,825.07 × 427,879.41
  4. Step 4: Simplify right side
    790,452.57x = 466,741,585,225.41
  5. Step 5: Solve for x
    x = 466,741,585,225.41/790,452.57
  6. Step 6: Final answer
    x = 590,473.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.