Home / 769,895.54-1,061,928.69-501,986.42

Finding the Fourth Proportional to 769,895.54, 1,061,928.69 and 501,986.42

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Solution

The fourth proportional to 769,895.54, 1,061,928.69 and 501,986.42 is: 692,397.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,895.54 : 1,061,928.69 = 501,986.42 : x
  2. Step 2: Convert to fraction form
    769,895.54/1,061,928.69 = 501,986.42/x
  3. Step 3: Cross multiply
    769,895.54x = 1,061,928.69 × 501,986.42
  4. Step 4: Simplify right side
    769,895.54x = 533,073,781,388.39
  5. Step 5: Solve for x
    x = 533,073,781,388.39/769,895.54
  6. Step 6: Final answer
    x = 692,397.54

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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.