Home / 792,591.50-1,188,637.68-259,988.78

Finding the Fourth Proportional to 792,591.50, 1,188,637.68 and 259,988.78

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Solution

The fourth proportional to 792,591.50, 1,188,637.68 and 259,988.78 is: 389,901.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,591.50 : 1,188,637.68 = 259,988.78 : x
  2. Step 2: Convert to fraction form
    792,591.50/1,188,637.68 = 259,988.78/x
  3. Step 3: Cross multiply
    792,591.50x = 1,188,637.68 × 259,988.78
  4. Step 4: Simplify right side
    792,591.50x = 309,032,460,285.23
  5. Step 5: Solve for x
    x = 309,032,460,285.23/792,591.50
  6. Step 6: Final answer
    x = 389,901.31

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1.5x scale

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.