Home / 957,337.45-1,321,107.57-521,758.44

Finding the Fourth Proportional to 957,337.45, 1,321,107.57 and 521,758.44

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Solution

The fourth proportional to 957,337.45, 1,321,107.57 and 521,758.44 is: 720,016.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,337.45 : 1,321,107.57 = 521,758.44 : x
  2. Step 2: Convert to fraction form
    957,337.45/1,321,107.57 = 521,758.44/x
  3. Step 3: Cross multiply
    957,337.45x = 1,321,107.57 × 521,758.44
  4. Step 4: Simplify right side
    957,337.45x = 689,299,024,795.39
  5. Step 5: Solve for x
    x = 689,299,024,795.39/957,337.45
  6. Step 6: Final answer
    x = 720,016.78

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1.5x scale

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.