Home / 857,463.88-1,286,694.05-384,149.24

Finding the Fourth Proportional to 857,463.88, 1,286,694.05 and 384,149.24

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Solution

The fourth proportional to 857,463.88, 1,286,694.05 and 384,149.24 is: 576,447.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,463.88 : 1,286,694.05 = 384,149.24 : x
  2. Step 2: Convert to fraction form
    857,463.88/1,286,694.05 = 384,149.24/x
  3. Step 3: Cross multiply
    857,463.88x = 1,286,694.05 × 384,149.24
  4. Step 4: Simplify right side
    857,463.88x = 494,282,541,420.02
  5. Step 5: Solve for x
    x = 494,282,541,420.02/857,463.88
  6. Step 6: Final answer
    x = 576,447.07

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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.