Home / 781,235.61-1,171,947.15-275,692.20

Finding the Fourth Proportional to 781,235.61, 1,171,947.15 and 275,692.20

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Solution

The fourth proportional to 781,235.61, 1,171,947.15 and 275,692.20 is: 413,571.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,235.61 : 1,171,947.15 = 275,692.20 : x
  2. Step 2: Convert to fraction form
    781,235.61/1,171,947.15 = 275,692.20/x
  3. Step 3: Cross multiply
    781,235.61x = 1,171,947.15 × 275,692.20
  4. Step 4: Simplify right side
    781,235.61x = 323,096,688,067.23
  5. Step 5: Solve for x
    x = 323,096,688,067.23/781,235.61
  6. Step 6: Final answer
    x = 413,571.38

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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.