Home / 756,678.46-1,135,352.04-396,763.36

Finding the Fourth Proportional to 756,678.46, 1,135,352.04 and 396,763.36

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Solution

The fourth proportional to 756,678.46, 1,135,352.04 and 396,763.36 is: 595,320.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,678.46 : 1,135,352.04 = 396,763.36 : x
  2. Step 2: Convert to fraction form
    756,678.46/1,135,352.04 = 396,763.36/x
  3. Step 3: Cross multiply
    756,678.46x = 1,135,352.04 × 396,763.36
  4. Step 4: Simplify right side
    756,678.46x = 450,466,090,173.25
  5. Step 5: Solve for x
    x = 450,466,090,173.25/756,678.46
  6. Step 6: Final answer
    x = 595,320.36

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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.