Home / 778,115.43-1,166,842.67-304,725.51

Finding the Fourth Proportional to 778,115.43, 1,166,842.67 and 304,725.51

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Solution

The fourth proportional to 778,115.43, 1,166,842.67 and 304,725.51 is: 456,958.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,115.43 : 1,166,842.67 = 304,725.51 : x
  2. Step 2: Convert to fraction form
    778,115.43/1,166,842.67 = 304,725.51/x
  3. Step 3: Cross multiply
    778,115.43x = 1,166,842.67 × 304,725.51
  4. Step 4: Simplify right side
    778,115.43x = 355,566,726,181.88
  5. Step 5: Solve for x
    x = 355,566,726,181.88/778,115.43
  6. Step 6: Final answer
    x = 456,958.84

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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.