Home / 757,408.32-1,135,029.78-556,149.60

Finding the Fourth Proportional to 757,408.32, 1,135,029.78 and 556,149.60

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Solution

The fourth proportional to 757,408.32, 1,135,029.78 and 556,149.60 is: 833,429.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,408.32 : 1,135,029.78 = 556,149.60 : x
  2. Step 2: Convert to fraction form
    757,408.32/1,135,029.78 = 556,149.60/x
  3. Step 3: Cross multiply
    757,408.32x = 1,135,029.78 × 556,149.60
  4. Step 4: Simplify right side
    757,408.32x = 631,246,358,135.09
  5. Step 5: Solve for x
    x = 631,246,358,135.09/757,408.32
  6. Step 6: Final answer
    x = 833,429.40

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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.