Home / 820,799.12-1,133,174.04-625,675.04

Finding the Fourth Proportional to 820,799.12, 1,133,174.04 and 625,675.04

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Solution

The fourth proportional to 820,799.12, 1,133,174.04 and 625,675.04 is: 863,790.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,799.12 : 1,133,174.04 = 625,675.04 : x
  2. Step 2: Convert to fraction form
    820,799.12/1,133,174.04 = 625,675.04/x
  3. Step 3: Cross multiply
    820,799.12x = 1,133,174.04 × 625,675.04
  4. Step 4: Simplify right side
    820,799.12x = 708,998,712,803.96
  5. Step 5: Solve for x
    x = 708,998,712,803.96/820,799.12
  6. Step 6: Final answer
    x = 863,790.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.