Home / 858,133.73-1,286,702.15-325,364.13

Finding the Fourth Proportional to 858,133.73, 1,286,702.15 and 325,364.13

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Solution

The fourth proportional to 858,133.73, 1,286,702.15 and 325,364.13 is: 487,857.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,133.73 : 1,286,702.15 = 325,364.13 : x
  2. Step 2: Convert to fraction form
    858,133.73/1,286,702.15 = 325,364.13/x
  3. Step 3: Cross multiply
    858,133.73x = 1,286,702.15 × 325,364.13
  4. Step 4: Simplify right side
    858,133.73x = 418,646,723,977.06
  5. Step 5: Solve for x
    x = 418,646,723,977.06/858,133.73
  6. Step 6: Final answer
    x = 487,857.20

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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.