Home / 402,026.38-554,803.33-220,745.96

Finding the Fourth Proportional to 402,026.38, 554,803.33 and 220,745.96

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Solution

The fourth proportional to 402,026.38, 554,803.33 and 220,745.96 is: 304,633.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,026.38 : 554,803.33 = 220,745.96 : x
  2. Step 2: Convert to fraction form
    402,026.38/554,803.33 = 220,745.96/x
  3. Step 3: Cross multiply
    402,026.38x = 554,803.33 × 220,745.96
  4. Step 4: Simplify right side
    402,026.38x = 122,470,593,692.05
  5. Step 5: Solve for x
    x = 122,470,593,692.05/402,026.38
  6. Step 6: Final answer
    x = 304,633.23

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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.