Home / 947,982.48-1,308,220.44-518,262.60

Finding the Fourth Proportional to 947,982.48, 1,308,220.44 and 518,262.60

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Solution

The fourth proportional to 947,982.48, 1,308,220.44 and 518,262.60 is: 715,204.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,982.48 : 1,308,220.44 = 518,262.60 : x
  2. Step 2: Convert to fraction form
    947,982.48/1,308,220.44 = 518,262.60/x
  3. Step 3: Cross multiply
    947,982.48x = 1,308,220.44 × 518,262.60
  4. Step 4: Simplify right side
    947,982.48x = 678,001,726,607.54
  5. Step 5: Solve for x
    x = 678,001,726,607.54/947,982.48
  6. Step 6: Final answer
    x = 715,204.91

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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.