Home / 769,463.38-1,061,308.61-540,071.82

Finding the Fourth Proportional to 769,463.38, 1,061,308.61 and 540,071.82

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Solution

The fourth proportional to 769,463.38, 1,061,308.61 and 540,071.82 is: 744,912.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,463.38 : 1,061,308.61 = 540,071.82 : x
  2. Step 2: Convert to fraction form
    769,463.38/1,061,308.61 = 540,071.82/x
  3. Step 3: Cross multiply
    769,463.38x = 1,061,308.61 × 540,071.82
  4. Step 4: Simplify right side
    769,463.38x = 573,182,871,909.28
  5. Step 5: Solve for x
    x = 573,182,871,909.28/769,463.38
  6. Step 6: Final answer
    x = 744,912.48

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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.