Home / 749,408.22-1,034,120.94-422,703.24

Finding the Fourth Proportional to 749,408.22, 1,034,120.94 and 422,703.24

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Solution

The fourth proportional to 749,408.22, 1,034,120.94 and 422,703.24 is: 583,295.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,408.22 : 1,034,120.94 = 422,703.24 : x
  2. Step 2: Convert to fraction form
    749,408.22/1,034,120.94 = 422,703.24/x
  3. Step 3: Cross multiply
    749,408.22x = 1,034,120.94 × 422,703.24
  4. Step 4: Simplify right side
    749,408.22x = 437,126,271,889.85
  5. Step 5: Solve for x
    x = 437,126,271,889.85/749,408.22
  6. Step 6: Final answer
    x = 583,295.27

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Double scale
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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.