Home / 979,388.42-1,351,687.91-549,692.06

Finding the Fourth Proportional to 979,388.42, 1,351,687.91 and 549,692.06

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Solution

The fourth proportional to 979,388.42, 1,351,687.91 and 549,692.06 is: 758,649.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,388.42 : 1,351,687.91 = 549,692.06 : x
  2. Step 2: Convert to fraction form
    979,388.42/1,351,687.91 = 549,692.06/x
  3. Step 3: Cross multiply
    979,388.42x = 1,351,687.91 × 549,692.06
  4. Step 4: Simplify right side
    979,388.42x = 743,012,102,218.10
  5. Step 5: Solve for x
    x = 743,012,102,218.10/979,388.42
  6. Step 6: Final answer
    x = 758,649.06

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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.