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Finding the Fourth Proportional to 543,301.70, 814,952.55 and 539,365.10

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Solution

The fourth proportional to 543,301.70, 814,952.55 and 539,365.10 is: 809,047.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,301.70 : 814,952.55 = 539,365.10 : x
  2. Step 2: Convert to fraction form
    543,301.70/814,952.55 = 539,365.10/x
  3. Step 3: Cross multiply
    543,301.70x = 814,952.55 × 539,365.10
  4. Step 4: Simplify right side
    543,301.70x = 439,556,963,626.01
  5. Step 5: Solve for x
    x = 439,556,963,626.01/543,301.70
  6. Step 6: Final answer
    x = 809,047.65

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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.