Home / 805,092.29-1,109,799.30-682,130.85

Finding the Fourth Proportional to 805,092.29, 1,109,799.30 and 682,130.85

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Solution

The fourth proportional to 805,092.29, 1,109,799.30 and 682,130.85 is: 940,300.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,092.29 : 1,109,799.30 = 682,130.85 : x
  2. Step 2: Convert to fraction form
    805,092.29/1,109,799.30 = 682,130.85/x
  3. Step 3: Cross multiply
    805,092.29x = 1,109,799.30 × 682,130.85
  4. Step 4: Simplify right side
    805,092.29x = 757,028,339,838.41
  5. Step 5: Solve for x
    x = 757,028,339,838.41/805,092.29
  6. Step 6: Final answer
    x = 940,300.07

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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.