Home / 913,049.46-1,368,831.99-380,966.94

Finding the Fourth Proportional to 913,049.46, 1,368,831.99 and 380,966.94

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Solution

The fourth proportional to 913,049.46, 1,368,831.99 and 380,966.94 is: 571,140.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,049.46 : 1,368,831.99 = 380,966.94 : x
  2. Step 2: Convert to fraction form
    913,049.46/1,368,831.99 = 380,966.94/x
  3. Step 3: Cross multiply
    913,049.46x = 1,368,831.99 × 380,966.94
  4. Step 4: Simplify right side
    913,049.46x = 521,479,734,604.41
  5. Step 5: Solve for x
    x = 521,479,734,604.41/913,049.46
  6. Step 6: Final answer
    x = 571,140.73

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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.