Home / 969,888.28-1,338,487.18-540,168.41

Finding the Fourth Proportional to 969,888.28, 1,338,487.18 and 540,168.41

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Solution

The fourth proportional to 969,888.28, 1,338,487.18 and 540,168.41 is: 745,455.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,888.28 : 1,338,487.18 = 540,168.41 : x
  2. Step 2: Convert to fraction form
    969,888.28/1,338,487.18 = 540,168.41/x
  3. Step 3: Cross multiply
    969,888.28x = 1,338,487.18 × 540,168.41
  4. Step 4: Simplify right side
    969,888.28x = 723,008,485,133.55
  5. Step 5: Solve for x
    x = 723,008,485,133.55/969,888.28
  6. Step 6: Final answer
    x = 745,455.43

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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.