Home / 777,628.75-1,166,443.14-186,652.75

Finding the Fourth Proportional to 777,628.75, 1,166,443.14 and 186,652.75

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Solution

The fourth proportional to 777,628.75, 1,166,443.14 and 186,652.75 is: 279,979.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,628.75 : 1,166,443.14 = 186,652.75 : x
  2. Step 2: Convert to fraction form
    777,628.75/1,166,443.14 = 186,652.75/x
  3. Step 3: Cross multiply
    777,628.75x = 1,166,443.14 × 186,652.75
  4. Step 4: Simplify right side
    777,628.75x = 217,719,819,799.64
  5. Step 5: Solve for x
    x = 217,719,819,799.64/777,628.75
  6. Step 6: Final answer
    x = 279,979.13

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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.