Home / 957,121.77-1,320,855.84-527,429.64

Finding the Fourth Proportional to 957,121.77, 1,320,855.84 and 527,429.64

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Solution

The fourth proportional to 957,121.77, 1,320,855.84 and 527,429.64 is: 727,868.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,121.77 : 1,320,855.84 = 527,429.64 : x
  2. Step 2: Convert to fraction form
    957,121.77/1,320,855.84 = 527,429.64/x
  3. Step 3: Cross multiply
    957,121.77x = 1,320,855.84 × 527,429.64
  4. Step 4: Simplify right side
    957,121.77x = 696,658,520,183.10
  5. Step 5: Solve for x
    x = 696,658,520,183.10/957,121.77
  6. Step 6: Final answer
    x = 727,868.22

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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.