Home / 504,743.20-757,257.86-205,438.58

Finding the Fourth Proportional to 504,743.20, 757,257.86 and 205,438.58

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Solution

The fourth proportional to 504,743.20, 757,257.86 and 205,438.58 is: 308,216.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,743.20 : 757,257.86 = 205,438.58 : x
  2. Step 2: Convert to fraction form
    504,743.20/757,257.86 = 205,438.58/x
  3. Step 3: Cross multiply
    504,743.20x = 757,257.86 × 205,438.58
  4. Step 4: Simplify right side
    504,743.20x = 155,569,979,019.26
  5. Step 5: Solve for x
    x = 155,569,979,019.26/504,743.20
  6. Step 6: Final answer
    x = 308,216.10

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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.