Home / 827,672.37-1,240,625.85-471,920.37

Finding the Fourth Proportional to 827,672.37, 1,240,625.85 and 471,920.37

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Solution

The fourth proportional to 827,672.37, 1,240,625.85 and 471,920.37 is: 707,377.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,672.37 : 1,240,625.85 = 471,920.37 : x
  2. Step 2: Convert to fraction form
    827,672.37/1,240,625.85 = 471,920.37/x
  3. Step 3: Cross multiply
    827,672.37x = 1,240,625.85 × 471,920.37
  4. Step 4: Simplify right side
    827,672.37x = 585,476,610,163.57
  5. Step 5: Solve for x
    x = 585,476,610,163.57/827,672.37
  6. Step 6: Final answer
    x = 707,377.26

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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.