Home / 769,801.68-1,154,566.44-208,879.92

Finding the Fourth Proportional to 769,801.68, 1,154,566.44 and 208,879.92

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Solution

The fourth proportional to 769,801.68, 1,154,566.44 and 208,879.92 is: 313,282.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,801.68 : 1,154,566.44 = 208,879.92 : x
  2. Step 2: Convert to fraction form
    769,801.68/1,154,566.44 = 208,879.92/x
  3. Step 3: Cross multiply
    769,801.68x = 1,154,566.44 × 208,879.92
  4. Step 4: Simplify right side
    769,801.68x = 241,165,745,621.89
  5. Step 5: Solve for x
    x = 241,165,745,621.89/769,801.68
  6. Step 6: Final answer
    x = 313,282.96

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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.