Home / 541,812.51-747,743.33-300,117.57

Finding the Fourth Proportional to 541,812.51, 747,743.33 and 300,117.57

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Solution

The fourth proportional to 541,812.51, 747,743.33 and 300,117.57 is: 414,185.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,812.51 : 747,743.33 = 300,117.57 : x
  2. Step 2: Convert to fraction form
    541,812.51/747,743.33 = 300,117.57/x
  3. Step 3: Cross multiply
    541,812.51x = 747,743.33 × 300,117.57
  4. Step 4: Simplify right side
    541,812.51x = 224,410,909,548.02
  5. Step 5: Solve for x
    x = 224,410,909,548.02/541,812.51
  6. Step 6: Final answer
    x = 414,185.55

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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.