Home / 756,206.70-1,134,310.05-401,037.90

Finding the Fourth Proportional to 756,206.70, 1,134,310.05 and 401,037.90

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Solution

The fourth proportional to 756,206.70, 1,134,310.05 and 401,037.90 is: 601,556.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,206.70 : 1,134,310.05 = 401,037.90 : x
  2. Step 2: Convert to fraction form
    756,206.70/1,134,310.05 = 401,037.90/x
  3. Step 3: Cross multiply
    756,206.70x = 1,134,310.05 × 401,037.90
  4. Step 4: Simplify right side
    756,206.70x = 454,901,320,400.90
  5. Step 5: Solve for x
    x = 454,901,320,400.90/756,206.70
  6. Step 6: Final answer
    x = 601,556.85

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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.