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Finding the Fourth Proportional to 500,578.87, 750,860.34 and 121,502.74

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Solution

The fourth proportional to 500,578.87, 750,860.34 and 121,502.74 is: 182,252.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,578.87 : 750,860.34 = 121,502.74 : x
  2. Step 2: Convert to fraction form
    500,578.87/750,860.34 = 121,502.74/x
  3. Step 3: Cross multiply
    500,578.87x = 750,860.34 × 121,502.74
  4. Step 4: Simplify right side
    500,578.87x = 91,231,588,667.33
  5. Step 5: Solve for x
    x = 91,231,588,667.33/500,578.87
  6. Step 6: Final answer
    x = 182,252.18

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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.