Home / 1,478,179.72-2,217,250.14-356,239

Finding the Fourth Proportional to 1,478,179.72, 2,217,250.14 and 356,239

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Solution

The fourth proportional to 1,478,179.72, 2,217,250.14 and 356,239 is: 534,353.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,179.72 : 2,217,250.14 = 356,239 : x
  2. Step 2: Convert to fraction form
    1,478,179.72/2,217,250.14 = 356,239/x
  3. Step 3: Cross multiply
    1,478,179.72x = 2,217,250.14 × 356,239
  4. Step 4: Simplify right side
    1,478,179.72x = 789,870,972,623.46
  5. Step 5: Solve for x
    x = 789,870,972,623.46/1,478,179.72
  6. Step 6: Final answer
    x = 534,353.81

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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.