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Finding the Fourth Proportional to 539,675.24, 744,752.88 and 297,958.28

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Solution

The fourth proportional to 539,675.24, 744,752.88 and 297,958.28 is: 411,183.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,675.24 : 744,752.88 = 297,958.28 : x
  2. Step 2: Convert to fraction form
    539,675.24/744,752.88 = 297,958.28/x
  3. Step 3: Cross multiply
    539,675.24x = 744,752.88 × 297,958.28
  4. Step 4: Simplify right side
    539,675.24x = 221,905,287,149.85
  5. Step 5: Solve for x
    x = 221,905,287,149.85/539,675.24
  6. Step 6: Final answer
    x = 411,183.01

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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.