Home / 743,704.74-1,115,630.82-238,138.92

Finding the Fourth Proportional to 743,704.74, 1,115,630.82 and 238,138.92

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Solution

The fourth proportional to 743,704.74, 1,115,630.82 and 238,138.92 is: 357,231.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,704.74 : 1,115,630.82 = 238,138.92 : x
  2. Step 2: Convert to fraction form
    743,704.74/1,115,630.82 = 238,138.92/x
  3. Step 3: Cross multiply
    743,704.74x = 1,115,630.82 × 238,138.92
  4. Step 4: Simplify right side
    743,704.74x = 265,675,118,593.51
  5. Step 5: Solve for x
    x = 265,675,118,593.51/743,704.74
  6. Step 6: Final answer
    x = 357,231.98

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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.