Home / 723,507.92-1,085,114.10-274,073.84

Finding the Fourth Proportional to 723,507.92, 1,085,114.10 and 274,073.84

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Solution

The fourth proportional to 723,507.92, 1,085,114.10 and 274,073.84 is: 411,054.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,507.92 : 1,085,114.10 = 274,073.84 : x
  2. Step 2: Convert to fraction form
    723,507.92/1,085,114.10 = 274,073.84/x
  3. Step 3: Cross multiply
    723,507.92x = 1,085,114.10 × 274,073.84
  4. Step 4: Simplify right side
    723,507.92x = 297,401,388,225.14
  5. Step 5: Solve for x
    x = 297,401,388,225.14/723,507.92
  6. Step 6: Final answer
    x = 411,054.78

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Double scale
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Similar ratio
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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.