Home / 494,582.40-741,290.40-257,803.20

Finding the Fourth Proportional to 494,582.40, 741,290.40 and 257,803.20

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Solution

The fourth proportional to 494,582.40, 741,290.40 and 257,803.20 is: 386,400.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,582.40 : 741,290.40 = 257,803.20 : x
  2. Step 2: Convert to fraction form
    494,582.40/741,290.40 = 257,803.20/x
  3. Step 3: Cross multiply
    494,582.40x = 741,290.40 × 257,803.20
  4. Step 4: Simplify right side
    494,582.40x = 191,107,037,249.28
  5. Step 5: Solve for x
    x = 191,107,037,249.28/494,582.40
  6. Step 6: Final answer
    x = 386,400.80

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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.