Home / 756,148.92-1,134,335.39-243,642.33

Finding the Fourth Proportional to 756,148.92, 1,134,335.39 and 243,642.33

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Solution

The fourth proportional to 756,148.92, 1,134,335.39 and 243,642.33 is: 365,499.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,148.92 : 1,134,335.39 = 243,642.33 : x
  2. Step 2: Convert to fraction form
    756,148.92/1,134,335.39 = 243,642.33/x
  3. Step 3: Cross multiply
    756,148.92x = 1,134,335.39 × 243,642.33
  4. Step 4: Simplify right side
    756,148.92x = 276,372,117,573.34
  5. Step 5: Solve for x
    x = 276,372,117,573.34/756,148.92
  6. Step 6: Final answer
    x = 365,499.59

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Double scale
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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.