Home / 826,982.61-1,240,692.62-447,734.94

Finding the Fourth Proportional to 826,982.61, 1,240,692.62 and 447,734.94

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Solution

The fourth proportional to 826,982.61, 1,240,692.62 and 447,734.94 is: 671,720.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,982.61 : 1,240,692.62 = 447,734.94 : x
  2. Step 2: Convert to fraction form
    826,982.61/1,240,692.62 = 447,734.94/x
  3. Step 3: Cross multiply
    826,982.61x = 1,240,692.62 × 447,734.94
  4. Step 4: Simplify right side
    826,982.61x = 555,501,433,535.47
  5. Step 5: Solve for x
    x = 555,501,433,535.47/826,982.61
  6. Step 6: Final answer
    x = 671,720.82

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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.