Home / 778,665.96-1,167,992.06-246,187.35

Finding the Fourth Proportional to 778,665.96, 1,167,992.06 and 246,187.35

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Solution

The fourth proportional to 778,665.96, 1,167,992.06 and 246,187.35 is: 369,278.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,665.96 : 1,167,992.06 = 246,187.35 : x
  2. Step 2: Convert to fraction form
    778,665.96/1,167,992.06 = 246,187.35/x
  3. Step 3: Cross multiply
    778,665.96x = 1,167,992.06 × 246,187.35
  4. Step 4: Simplify right side
    778,665.96x = 287,544,868,841.50
  5. Step 5: Solve for x
    x = 287,544,868,841.50/778,665.96
  6. Step 6: Final answer
    x = 369,278.85

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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.