Home / 768,041.28-1,151,960.73-228,286.04

Finding the Fourth Proportional to 768,041.28, 1,151,960.73 and 228,286.04

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Solution

The fourth proportional to 768,041.28, 1,151,960.73 and 228,286.04 is: 342,398.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,041.28 : 1,151,960.73 = 228,286.04 : x
  2. Step 2: Convert to fraction form
    768,041.28/1,151,960.73 = 228,286.04/x
  3. Step 3: Cross multiply
    768,041.28x = 1,151,960.73 × 228,286.04
  4. Step 4: Simplify right side
    768,041.28x = 262,976,547,527.41
  5. Step 5: Solve for x
    x = 262,976,547,527.41/768,041.28
  6. Step 6: Final answer
    x = 342,398.98

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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.