Home / 741,019.78-1,111,595.28-208,545.42

Finding the Fourth Proportional to 741,019.78, 1,111,595.28 and 208,545.42

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Solution

The fourth proportional to 741,019.78, 1,111,595.28 and 208,545.42 is: 312,836.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,019.78 : 1,111,595.28 = 208,545.42 : x
  2. Step 2: Convert to fraction form
    741,019.78/1,111,595.28 = 208,545.42/x
  3. Step 3: Cross multiply
    741,019.78x = 1,111,595.28 × 208,545.42
  4. Step 4: Simplify right side
    741,019.78x = 231,818,104,537.62
  5. Step 5: Solve for x
    x = 231,818,104,537.62/741,019.78
  6. Step 6: Final answer
    x = 312,836.59

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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.