Home / 832,745.68-1,149,122.10-470,257.72

Finding the Fourth Proportional to 832,745.68, 1,149,122.10 and 470,257.72

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Solution

The fourth proportional to 832,745.68, 1,149,122.10 and 470,257.72 is: 648,917.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,745.68 : 1,149,122.10 = 470,257.72 : x
  2. Step 2: Convert to fraction form
    832,745.68/1,149,122.10 = 470,257.72/x
  3. Step 3: Cross multiply
    832,745.68x = 1,149,122.10 × 470,257.72
  4. Step 4: Simplify right side
    832,745.68x = 540,383,538,747.61
  5. Step 5: Solve for x
    x = 540,383,538,747.61/832,745.68
  6. Step 6: Final answer
    x = 648,917.85

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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.