Home / 792,000.40-1,187,563.20-259,247.20

Finding the Fourth Proportional to 792,000.40, 1,187,563.20 and 259,247.20

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Solution

The fourth proportional to 792,000.40, 1,187,563.20 and 259,247.20 is: 388,727.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,000.40 : 1,187,563.20 = 259,247.20 : x
  2. Step 2: Convert to fraction form
    792,000.40/1,187,563.20 = 259,247.20/x
  3. Step 3: Cross multiply
    792,000.40x = 1,187,563.20 × 259,247.20
  4. Step 4: Simplify right side
    792,000.40x = 307,872,434,423.04
  5. Step 5: Solve for x
    x = 307,872,434,423.04/792,000.40
  6. Step 6: Final answer
    x = 388,727.62

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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.