Home / 824,520.73-1,236,748.74-344,624.59

Finding the Fourth Proportional to 824,520.73, 1,236,748.74 and 344,624.59

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Solution

The fourth proportional to 824,520.73, 1,236,748.74 and 344,624.59 is: 516,923.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,520.73 : 1,236,748.74 = 344,624.59 : x
  2. Step 2: Convert to fraction form
    824,520.73/1,236,748.74 = 344,624.59/x
  3. Step 3: Cross multiply
    824,520.73x = 1,236,748.74 × 344,624.59
  4. Step 4: Simplify right side
    824,520.73x = 426,214,027,455.52
  5. Step 5: Solve for x
    x = 426,214,027,455.52/824,520.73
  6. Step 6: Final answer
    x = 516,923.36

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Double scale
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Similar ratio
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1.5x scale

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.