Home / 778,837.30-1,168,563.15-305,442.10

Finding the Fourth Proportional to 778,837.30, 1,168,563.15 and 305,442.10

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Solution

The fourth proportional to 778,837.30, 1,168,563.15 and 305,442.10 is: 458,283.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,837.30 : 1,168,563.15 = 305,442.10 : x
  2. Step 2: Convert to fraction form
    778,837.30/1,168,563.15 = 305,442.10/x
  3. Step 3: Cross multiply
    778,837.30x = 1,168,563.15 × 305,442.10
  4. Step 4: Simplify right side
    778,837.30x = 356,928,382,518.62
  5. Step 5: Solve for x
    x = 356,928,382,518.62/778,837.30
  6. Step 6: Final answer
    x = 458,283.63

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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.