Home / 709,494.46-979,104.10-403,563.94

Finding the Fourth Proportional to 709,494.46, 979,104.10 and 403,563.94

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Solution

The fourth proportional to 709,494.46, 979,104.10 and 403,563.94 is: 556,919.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,494.46 : 979,104.10 = 403,563.94 : x
  2. Step 2: Convert to fraction form
    709,494.46/979,104.10 = 403,563.94/x
  3. Step 3: Cross multiply
    709,494.46x = 979,104.10 × 403,563.94
  4. Step 4: Simplify right side
    709,494.46x = 395,131,103,370.63
  5. Step 5: Solve for x
    x = 395,131,103,370.63/709,494.46
  6. Step 6: Final answer
    x = 556,919.23

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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.