Home / 756,972.94-1,135,434.68-307,560.90

Finding the Fourth Proportional to 756,972.94, 1,135,434.68 and 307,560.90

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Solution

The fourth proportional to 756,972.94, 1,135,434.68 and 307,560.90 is: 461,331.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,972.94 : 1,135,434.68 = 307,560.90 : x
  2. Step 2: Convert to fraction form
    756,972.94/1,135,434.68 = 307,560.90/x
  3. Step 3: Cross multiply
    756,972.94x = 1,135,434.68 × 307,560.90
  4. Step 4: Simplify right side
    756,972.94x = 349,215,312,072.01
  5. Step 5: Solve for x
    x = 349,215,312,072.01/756,972.94
  6. Step 6: Final answer
    x = 461,331.30

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Double scale
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1.5x scale

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.