Home / 957,980.85-1,322,003.88-522,397.11

Finding the Fourth Proportional to 957,980.85, 1,322,003.88 and 522,397.11

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Solution

The fourth proportional to 957,980.85, 1,322,003.88 and 522,397.11 is: 720,902.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,980.85 : 1,322,003.88 = 522,397.11 : x
  2. Step 2: Convert to fraction form
    957,980.85/1,322,003.88 = 522,397.11/x
  3. Step 3: Cross multiply
    957,980.85x = 1,322,003.88 × 522,397.11
  4. Step 4: Simplify right side
    957,980.85x = 690,611,006,320.79
  5. Step 5: Solve for x
    x = 690,611,006,320.79/957,980.85
  6. Step 6: Final answer
    x = 720,902.73

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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.