Home / 769,559.82-1,154,339.73-208,594.32

Finding the Fourth Proportional to 769,559.82, 1,154,339.73 and 208,594.32

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Solution

The fourth proportional to 769,559.82, 1,154,339.73 and 208,594.32 is: 312,891.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,559.82 : 1,154,339.73 = 208,594.32 : x
  2. Step 2: Convert to fraction form
    769,559.82/1,154,339.73 = 208,594.32/x
  3. Step 3: Cross multiply
    769,559.82x = 1,154,339.73 × 208,594.32
  4. Step 4: Simplify right side
    769,559.82x = 240,788,711,028.33
  5. Step 5: Solve for x
    x = 240,788,711,028.33/769,559.82
  6. Step 6: Final answer
    x = 312,891.48

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Double scale
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Similar ratio
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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.