Home / 978,161.44-1,349,845.62-548,440.24

Finding the Fourth Proportional to 978,161.44, 1,349,845.62 and 548,440.24

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Solution

The fourth proportional to 978,161.44, 1,349,845.62 and 548,440.24 is: 756,837.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,161.44 : 1,349,845.62 = 548,440.24 : x
  2. Step 2: Convert to fraction form
    978,161.44/1,349,845.62 = 548,440.24/x
  3. Step 3: Cross multiply
    978,161.44x = 1,349,845.62 × 548,440.24
  4. Step 4: Simplify right side
    978,161.44x = 740,309,655,795.75
  5. Step 5: Solve for x
    x = 740,309,655,795.75/978,161.44
  6. Step 6: Final answer
    x = 756,837.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.