Home / 631,923.69-947,047.17-276,550.77

Finding the Fourth Proportional to 631,923.69, 947,047.17 and 276,550.77

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Solution

The fourth proportional to 631,923.69, 947,047.17 and 276,550.77 is: 414,459.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,923.69 : 947,047.17 = 276,550.77 : x
  2. Step 2: Convert to fraction form
    631,923.69/947,047.17 = 276,550.77/x
  3. Step 3: Cross multiply
    631,923.69x = 947,047.17 × 276,550.77
  4. Step 4: Simplify right side
    631,923.69x = 261,906,624,089.82
  5. Step 5: Solve for x
    x = 261,906,624,089.82/631,923.69
  6. Step 6: Final answer
    x = 414,459.26

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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.