Home / 979,501.47-1,469,819.46-410,831.97

Finding the Fourth Proportional to 979,501.47, 1,469,819.46 and 410,831.97

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Solution

The fourth proportional to 979,501.47, 1,469,819.46 and 410,831.97 is: 616,485.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,501.47 : 1,469,819.46 = 410,831.97 : x
  2. Step 2: Convert to fraction form
    979,501.47/1,469,819.46 = 410,831.97/x
  3. Step 3: Cross multiply
    979,501.47x = 1,469,819.46 × 410,831.97
  4. Step 4: Simplify right side
    979,501.47x = 603,848,824,296.14
  5. Step 5: Solve for x
    x = 603,848,824,296.14/979,501.47
  6. Step 6: Final answer
    x = 616,485.88

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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.