Home / 787,568.14-1,084,556.82-684,154.90

Finding the Fourth Proportional to 787,568.14, 1,084,556.82 and 684,154.90

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Solution

The fourth proportional to 787,568.14, 1,084,556.82 and 684,154.90 is: 942,146.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,568.14 : 1,084,556.82 = 684,154.90 : x
  2. Step 2: Convert to fraction form
    787,568.14/1,084,556.82 = 684,154.90/x
  3. Step 3: Cross multiply
    787,568.14x = 1,084,556.82 × 684,154.90
  4. Step 4: Simplify right side
    787,568.14x = 742,004,862,731.42
  5. Step 5: Solve for x
    x = 742,004,862,731.42/787,568.14
  6. Step 6: Final answer
    x = 942,146.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.