Home / 756,674.46-1,135,346.04-396,759.36

Finding the Fourth Proportional to 756,674.46, 1,135,346.04 and 396,759.36

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Solution

The fourth proportional to 756,674.46, 1,135,346.04 and 396,759.36 is: 595,314.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,674.46 : 1,135,346.04 = 396,759.36 : x
  2. Step 2: Convert to fraction form
    756,674.46/1,135,346.04 = 396,759.36/x
  3. Step 3: Cross multiply
    756,674.46x = 1,135,346.04 × 396,759.36
  4. Step 4: Simplify right side
    756,674.46x = 450,459,168,208.93
  5. Step 5: Solve for x
    x = 450,459,168,208.93/756,674.46
  6. Step 6: Final answer
    x = 595,314.36

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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.