Home / 631,921.69-947,044.18-276,548.77

Finding the Fourth Proportional to 631,921.69, 947,044.18 and 276,548.77

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Solution

The fourth proportional to 631,921.69, 947,044.18 and 276,548.77 is: 414,456.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,921.69 : 947,044.18 = 276,548.77 : x
  2. Step 2: Convert to fraction form
    631,921.69/947,044.18 = 276,548.77/x
  3. Step 3: Cross multiply
    631,921.69x = 947,044.18 × 276,548.77
  4. Step 4: Simplify right side
    631,921.69x = 261,903,903,114.66
  5. Step 5: Solve for x
    x = 261,903,903,114.66/631,921.69
  6. Step 6: Final answer
    x = 414,456.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.