Home / 505,264.43-757,238.48-205,394.74

Finding the Fourth Proportional to 505,264.43, 757,238.48 and 205,394.74

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Solution

The fourth proportional to 505,264.43, 757,238.48 and 205,394.74 is: 307,824.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,264.43 : 757,238.48 = 205,394.74 : x
  2. Step 2: Convert to fraction form
    505,264.43/757,238.48 = 205,394.74/x
  3. Step 3: Cross multiply
    505,264.43x = 757,238.48 × 205,394.74
  4. Step 4: Simplify right side
    505,264.43x = 155,532,795,904.43
  5. Step 5: Solve for x
    x = 155,532,795,904.43/505,264.43
  6. Step 6: Final answer
    x = 307,824.55

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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.