Home / 947,975.80-1,308,211.22-518,255.93

Finding the Fourth Proportional to 947,975.80, 1,308,211.22 and 518,255.93

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Solution

The fourth proportional to 947,975.80, 1,308,211.22 and 518,255.93 is: 715,195.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,975.80 : 1,308,211.22 = 518,255.93 : x
  2. Step 2: Convert to fraction form
    947,975.80/1,308,211.22 = 518,255.93/x
  3. Step 3: Cross multiply
    947,975.80x = 1,308,211.22 × 518,255.93
  4. Step 4: Simplify right side
    947,975.80x = 677,988,222,457.54
  5. Step 5: Solve for x
    x = 677,988,222,457.54/947,975.80
  6. Step 6: Final answer
    x = 715,195.71

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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.