Home / 777,989.10-1,166,317.92-298,560.90

Finding the Fourth Proportional to 777,989.10, 1,166,317.92 and 298,560.90

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Solution

The fourth proportional to 777,989.10, 1,166,317.92 and 298,560.90 is: 447,585.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,989.10 : 1,166,317.92 = 298,560.90 : x
  2. Step 2: Convert to fraction form
    777,989.10/1,166,317.92 = 298,560.90/x
  3. Step 3: Cross multiply
    777,989.10x = 1,166,317.92 × 298,560.90
  4. Step 4: Simplify right side
    777,989.10x = 348,216,927,881.33
  5. Step 5: Solve for x
    x = 348,216,927,881.33/777,989.10
  6. Step 6: Final answer
    x = 447,585.87

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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.