Home / 790,453.73-1,090,826.78-427,876.47

Finding the Fourth Proportional to 790,453.73, 1,090,826.78 and 427,876.47

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Solution

The fourth proportional to 790,453.73, 1,090,826.78 and 427,876.47 is: 590,469.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,453.73 : 1,090,826.78 = 427,876.47 : x
  2. Step 2: Convert to fraction form
    790,453.73/1,090,826.78 = 427,876.47/x
  3. Step 3: Cross multiply
    790,453.73x = 1,090,826.78 × 427,876.47
  4. Step 4: Simplify right side
    790,453.73x = 466,739,109,868.48
  5. Step 5: Solve for x
    x = 466,739,109,868.48/790,453.73
  6. Step 6: Final answer
    x = 590,469.87

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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.