Home / 884,891.49-1,221,243.90-540,928.79

Finding the Fourth Proportional to 884,891.49, 1,221,243.90 and 540,928.79

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Solution

The fourth proportional to 884,891.49, 1,221,243.90 and 540,928.79 is: 746,538.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,891.49 : 1,221,243.90 = 540,928.79 : x
  2. Step 2: Convert to fraction form
    884,891.49/1,221,243.90 = 540,928.79/x
  3. Step 3: Cross multiply
    884,891.49x = 1,221,243.90 × 540,928.79
  4. Step 4: Simplify right side
    884,891.49x = 660,605,984,609.57
  5. Step 5: Solve for x
    x = 660,605,984,609.57/884,891.49
  6. Step 6: Final answer
    x = 746,538.97

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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.