Home / 947,270.71-1,421,917.57-407,794

Finding the Fourth Proportional to 947,270.71, 1,421,917.57 and 407,794

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Solution

The fourth proportional to 947,270.71, 1,421,917.57 and 407,794 is: 612,126.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,270.71 : 1,421,917.57 = 407,794 : x
  2. Step 2: Convert to fraction form
    947,270.71/1,421,917.57 = 407,794/x
  3. Step 3: Cross multiply
    947,270.71x = 1,421,917.57 × 407,794
  4. Step 4: Simplify right side
    947,270.71x = 579,849,453,540.58
  5. Step 5: Solve for x
    x = 579,849,453,540.58/947,270.71
  6. Step 6: Final answer
    x = 612,126.45

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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.