Home / 857,593.20-1,286,575.50-258,504.24

Finding the Fourth Proportional to 857,593.20, 1,286,575.50 and 258,504.24

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Solution

The fourth proportional to 857,593.20, 1,286,575.50 and 258,504.24 is: 387,812.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,593.20 : 1,286,575.50 = 258,504.24 : x
  2. Step 2: Convert to fraction form
    857,593.20/1,286,575.50 = 258,504.24/x
  3. Step 3: Cross multiply
    857,593.20x = 1,286,575.50 × 258,504.24
  4. Step 4: Simplify right side
    857,593.20x = 332,585,221,830.12
  5. Step 5: Solve for x
    x = 332,585,221,830.12/857,593.20
  6. Step 6: Final answer
    x = 387,812.34

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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.