Home / 412,911.40-619,055.35-270,792.47

Finding the Fourth Proportional to 412,911.40, 619,055.35 and 270,792.47

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Solution

The fourth proportional to 412,911.40, 619,055.35 and 270,792.47 is: 405,984.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,911.40 : 619,055.35 = 270,792.47 : x
  2. Step 2: Convert to fraction form
    412,911.40/619,055.35 = 270,792.47/x
  3. Step 3: Cross multiply
    412,911.40x = 619,055.35 × 270,792.47
  4. Step 4: Simplify right side
    412,911.40x = 167,635,527,293.21
  5. Step 5: Solve for x
    x = 167,635,527,293.21/412,911.40
  6. Step 6: Final answer
    x = 405,984.26

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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.