Home / 774,304.57-1,161,456.86-301,100.65

Finding the Fourth Proportional to 774,304.57, 1,161,456.86 and 301,100.65

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Solution

The fourth proportional to 774,304.57, 1,161,456.86 and 301,100.65 is: 451,650.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,304.57 : 1,161,456.86 = 301,100.65 : x
  2. Step 2: Convert to fraction form
    774,304.57/1,161,456.86 = 301,100.65/x
  3. Step 3: Cross multiply
    774,304.57x = 1,161,456.86 × 301,100.65
  4. Step 4: Simplify right side
    774,304.57x = 349,715,413,342.07
  5. Step 5: Solve for x
    x = 349,715,413,342.07/774,304.57
  6. Step 6: Final answer
    x = 451,650.97

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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.