Home / 913,106.54-1,369,846.61-313,989.86

Finding the Fourth Proportional to 913,106.54, 1,369,846.61 and 313,989.86

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Solution

The fourth proportional to 913,106.54, 1,369,846.61 and 313,989.86 is: 471,049.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,106.54 : 1,369,846.61 = 313,989.86 : x
  2. Step 2: Convert to fraction form
    913,106.54/1,369,846.61 = 313,989.86/x
  3. Step 3: Cross multiply
    913,106.54x = 1,369,846.61 × 313,989.86
  4. Step 4: Simplify right side
    913,106.54x = 430,117,945,295.38
  5. Step 5: Solve for x
    x = 430,117,945,295.38/913,106.54
  6. Step 6: Final answer
    x = 471,049.02

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.