Home / 913,217.39-1,369,811.73-314,183.74

Finding the Fourth Proportional to 913,217.39, 1,369,811.73 and 314,183.74

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Solution

The fourth proportional to 913,217.39, 1,369,811.73 and 314,183.74 is: 471,270.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,217.39 : 1,369,811.73 = 314,183.74 : x
  2. Step 2: Convert to fraction form
    913,217.39/1,369,811.73 = 314,183.74/x
  3. Step 3: Cross multiply
    913,217.39x = 1,369,811.73 × 314,183.74
  4. Step 4: Simplify right side
    913,217.39x = 430,372,568,013.09
  5. Step 5: Solve for x
    x = 430,372,568,013.09/913,217.39
  6. Step 6: Final answer
    x = 471,270.67

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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.