Home / 857,625.47-1,286,464.88-318,016.02

Finding the Fourth Proportional to 857,625.47, 1,286,464.88 and 318,016.02

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Solution

The fourth proportional to 857,625.47, 1,286,464.88 and 318,016.02 is: 477,033.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,625.47 : 1,286,464.88 = 318,016.02 : x
  2. Step 2: Convert to fraction form
    857,625.47/1,286,464.88 = 318,016.02/x
  3. Step 3: Cross multiply
    857,625.47x = 1,286,464.88 × 318,016.02
  4. Step 4: Simplify right side
    857,625.47x = 409,116,446,626.66
  5. Step 5: Solve for x
    x = 409,116,446,626.66/857,625.47
  6. Step 6: Final answer
    x = 477,033.93

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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.