Home / 947,982.23-1,308,220.10-518,262.38

Finding the Fourth Proportional to 947,982.23, 1,308,220.10 and 518,262.38

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Solution

The fourth proportional to 947,982.23, 1,308,220.10 and 518,262.38 is: 715,204.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,982.23 : 1,308,220.10 = 518,262.38 : x
  2. Step 2: Convert to fraction form
    947,982.23/1,308,220.10 = 518,262.38/x
  3. Step 3: Cross multiply
    947,982.23x = 1,308,220.10 × 518,262.38
  4. Step 4: Simplify right side
    947,982.23x = 678,001,263,885.49
  5. Step 5: Solve for x
    x = 678,001,263,885.49/947,982.23
  6. Step 6: Final answer
    x = 715,204.61

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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.