Home / 947,982.48-1,308,220.46-518,262.63

Finding the Fourth Proportional to 947,982.48, 1,308,220.46 and 518,262.63

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Solution

The fourth proportional to 947,982.48, 1,308,220.46 and 518,262.63 is: 715,204.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,982.48 : 1,308,220.46 = 518,262.63 : x
  2. Step 2: Convert to fraction form
    947,982.48/1,308,220.46 = 518,262.63/x
  3. Step 3: Cross multiply
    947,982.48x = 1,308,220.46 × 518,262.63
  4. Step 4: Simplify right side
    947,982.48x = 678,001,773,628.10
  5. Step 5: Solve for x
    x = 678,001,773,628.10/947,982.48
  6. Step 6: Final answer
    x = 715,204.96

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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.