Home / 778,876.30-1,168,314.45-305,577.10

Finding the Fourth Proportional to 778,876.30, 1,168,314.45 and 305,577.10

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Solution

The fourth proportional to 778,876.30, 1,168,314.45 and 305,577.10 is: 458,365.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,876.30 : 1,168,314.45 = 305,577.10 : x
  2. Step 2: Convert to fraction form
    778,876.30/1,168,314.45 = 305,577.10/x
  3. Step 3: Cross multiply
    778,876.30x = 1,168,314.45 × 305,577.10
  4. Step 4: Simplify right side
    778,876.30x = 357,010,141,519.10
  5. Step 5: Solve for x
    x = 357,010,141,519.10/778,876.30
  6. Step 6: Final answer
    x = 458,365.65

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Double scale
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Similar ratio
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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.