Home / 778,846.30-1,168,576.65-305,451.10

Finding the Fourth Proportional to 778,846.30, 1,168,576.65 and 305,451.10

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Solution

The fourth proportional to 778,846.30, 1,168,576.65 and 305,451.10 is: 458,297.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,846.30 : 1,168,576.65 = 305,451.10 : x
  2. Step 2: Convert to fraction form
    778,846.30/1,168,576.65 = 305,451.10/x
  3. Step 3: Cross multiply
    778,846.30x = 1,168,576.65 × 305,451.10
  4. Step 4: Simplify right side
    778,846.30x = 356,943,023,176.82
  5. Step 5: Solve for x
    x = 356,943,023,176.82/778,846.30
  6. Step 6: Final answer
    x = 458,297.13

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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.