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Finding the Fourth Proportional to 539,250.23, 744,169.31 and 297,541.77

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Solution

The fourth proportional to 539,250.23, 744,169.31 and 297,541.77 is: 410,609.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,250.23 : 744,169.31 = 297,541.77 : x
  2. Step 2: Convert to fraction form
    539,250.23/744,169.31 = 297,541.77/x
  3. Step 3: Cross multiply
    539,250.23x = 744,169.31 × 297,541.77
  4. Step 4: Simplify right side
    539,250.23x = 221,421,452,189.37
  5. Step 5: Solve for x
    x = 221,421,452,189.37/539,250.23
  6. Step 6: Final answer
    x = 410,609.85

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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.