Home / 749,914.35-1,125,036.76-217,457.61

Finding the Fourth Proportional to 749,914.35, 1,125,036.76 and 217,457.61

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Solution

The fourth proportional to 749,914.35, 1,125,036.76 and 217,457.61 is: 326,234.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,914.35 : 1,125,036.76 = 217,457.61 : x
  2. Step 2: Convert to fraction form
    749,914.35/1,125,036.76 = 217,457.61/x
  3. Step 3: Cross multiply
    749,914.35x = 1,125,036.76 × 217,457.61
  4. Step 4: Simplify right side
    749,914.35x = 244,647,804,991.74
  5. Step 5: Solve for x
    x = 244,647,804,991.74/749,914.35
  6. Step 6: Final answer
    x = 326,234.33

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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.