Home / 756,384.22-1,135,241.90-396,812.02

Finding the Fourth Proportional to 756,384.22, 1,135,241.90 and 396,812.02

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Solution

The fourth proportional to 756,384.22, 1,135,241.90 and 396,812.02 is: 595,567.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,384.22 : 1,135,241.90 = 396,812.02 : x
  2. Step 2: Convert to fraction form
    756,384.22/1,135,241.90 = 396,812.02/x
  3. Step 3: Cross multiply
    756,384.22x = 1,135,241.90 × 396,812.02
  4. Step 4: Simplify right side
    756,384.22x = 450,477,631,527.64
  5. Step 5: Solve for x
    x = 450,477,631,527.64/756,384.22
  6. Step 6: Final answer
    x = 595,567.20

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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.