Home / 995,171.31-1,373,286.80-565,394.67

Finding the Fourth Proportional to 995,171.31, 1,373,286.80 and 565,394.67

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Solution

The fourth proportional to 995,171.31, 1,373,286.80 and 565,394.67 is: 780,216.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,171.31 : 1,373,286.80 = 565,394.67 : x
  2. Step 2: Convert to fraction form
    995,171.31/1,373,286.80 = 565,394.67/x
  3. Step 3: Cross multiply
    995,171.31x = 1,373,286.80 × 565,394.67
  4. Step 4: Simplify right side
    995,171.31x = 776,449,034,274.38
  5. Step 5: Solve for x
    x = 776,449,034,274.38/995,171.31
  6. Step 6: Final answer
    x = 780,216.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.