Home / 849,723-1,274,584.50-258,747

Finding the Fourth Proportional to 849,723, 1,274,584.50 and 258,747

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Solution

The fourth proportional to 849,723, 1,274,584.50 and 258,747 is: 388,120.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,723 : 1,274,584.50 = 258,747 : x
  2. Step 2: Convert to fraction form
    849,723/1,274,584.50 = 258,747/x
  3. Step 3: Cross multiply
    849,723x = 1,274,584.50 × 258,747
  4. Step 4: Simplify right side
    849,723x = 329,794,915,621.50
  5. Step 5: Solve for x
    x = 329,794,915,621.50/849,723
  6. Step 6: Final answer
    x = 388,120.50

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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.