Home / 778,589.82-1,167,877.74-246,111.21

Finding the Fourth Proportional to 778,589.82, 1,167,877.74 and 246,111.21

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Solution

The fourth proportional to 778,589.82, 1,167,877.74 and 246,111.21 is: 369,164.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,589.82 : 1,167,877.74 = 246,111.21 : x
  2. Step 2: Convert to fraction form
    778,589.82/1,167,877.74 = 246,111.21/x
  3. Step 3: Cross multiply
    778,589.82x = 1,167,877.74 × 246,111.21
  4. Step 4: Simplify right side
    778,589.82x = 287,427,804,646.38
  5. Step 5: Solve for x
    x = 287,427,804,646.38/778,589.82
  6. Step 6: Final answer
    x = 369,164.61

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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.