Home / 539,079.75-743,933.57-297,368.87

Finding the Fourth Proportional to 539,079.75, 743,933.57 and 297,368.87

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Solution

The fourth proportional to 539,079.75, 743,933.57 and 297,368.87 is: 410,370.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,079.75 : 743,933.57 = 297,368.87 : x
  2. Step 2: Convert to fraction form
    539,079.75/743,933.57 = 297,368.87/x
  3. Step 3: Cross multiply
    539,079.75x = 743,933.57 × 297,368.87
  4. Step 4: Simplify right side
    539,079.75x = 221,222,679,859.45
  5. Step 5: Solve for x
    x = 221,222,679,859.45/539,079.75
  6. Step 6: Final answer
    x = 410,370.97

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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.