Home / 749,143.56-1,123,685.55-412,851

Finding the Fourth Proportional to 749,143.56, 1,123,685.55 and 412,851

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Solution

The fourth proportional to 749,143.56, 1,123,685.55 and 412,851 is: 619,260.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,143.56 : 1,123,685.55 = 412,851 : x
  2. Step 2: Convert to fraction form
    749,143.56/1,123,685.55 = 412,851/x
  3. Step 3: Cross multiply
    749,143.56x = 1,123,685.55 × 412,851
  4. Step 4: Simplify right side
    749,143.56x = 463,914,703,003.05
  5. Step 5: Solve for x
    x = 463,914,703,003.05/749,143.56
  6. Step 6: Final answer
    x = 619,260.08

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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.