Home / 539,091.72-743,948.65-297,370.81

Finding the Fourth Proportional to 539,091.72, 743,948.65 and 297,370.81

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Solution

The fourth proportional to 539,091.72, 743,948.65 and 297,370.81 is: 410,372.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,091.72 : 743,948.65 = 297,370.81 : x
  2. Step 2: Convert to fraction form
    539,091.72/743,948.65 = 297,370.81/x
  3. Step 3: Cross multiply
    539,091.72x = 743,948.65 × 297,370.81
  4. Step 4: Simplify right side
    539,091.72x = 221,228,613,950.56
  5. Step 5: Solve for x
    x = 221,228,613,950.56/539,091.72
  6. Step 6: Final answer
    x = 410,372.87

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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.