Home / 920,026.35-1,380,321.91-471,062.44

Finding the Fourth Proportional to 920,026.35, 1,380,321.91 and 471,062.44

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Solution

The fourth proportional to 920,026.35, 1,380,321.91 and 471,062.44 is: 706,738.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,026.35 : 1,380,321.91 = 471,062.44 : x
  2. Step 2: Convert to fraction form
    920,026.35/1,380,321.91 = 471,062.44/x
  3. Step 3: Cross multiply
    920,026.35x = 1,380,321.91 × 471,062.44
  4. Step 4: Simplify right side
    920,026.35x = 650,217,801,459.98
  5. Step 5: Solve for x
    x = 650,217,801,459.98/920,026.35
  6. Step 6: Final answer
    x = 706,738.24

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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.