Home / 879,343.45-1,318,091.77-559,740.13

Finding the Fourth Proportional to 879,343.45, 1,318,091.77 and 559,740.13

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Solution

The fourth proportional to 879,343.45, 1,318,091.77 and 559,740.13 is: 839,022.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,343.45 : 1,318,091.77 = 559,740.13 : x
  2. Step 2: Convert to fraction form
    879,343.45/1,318,091.77 = 559,740.13/x
  3. Step 3: Cross multiply
    879,343.45x = 1,318,091.77 × 559,740.13
  4. Step 4: Simplify right side
    879,343.45x = 737,788,858,691.73
  5. Step 5: Solve for x
    x = 737,788,858,691.73/879,343.45
  6. Step 6: Final answer
    x = 839,022.41

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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.