Home / 743,469.57-1,115,246.48-210,948.57

Finding the Fourth Proportional to 743,469.57, 1,115,246.48 and 210,948.57

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Solution

The fourth proportional to 743,469.57, 1,115,246.48 and 210,948.57 is: 316,434.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,469.57 : 1,115,246.48 = 210,948.57 : x
  2. Step 2: Convert to fraction form
    743,469.57/1,115,246.48 = 210,948.57/x
  3. Step 3: Cross multiply
    743,469.57x = 1,115,246.48 × 210,948.57
  4. Step 4: Simplify right side
    743,469.57x = 235,259,649,098.79
  5. Step 5: Solve for x
    x = 235,259,649,098.79/743,469.57
  6. Step 6: Final answer
    x = 316,434.81

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Double scale
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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.