Home / 727,994.74-1,004,636.11-422,252.14

Finding the Fourth Proportional to 727,994.74, 1,004,636.11 and 422,252.14

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Solution

The fourth proportional to 727,994.74, 1,004,636.11 and 422,252.14 is: 582,709.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,994.74 : 1,004,636.11 = 422,252.14 : x
  2. Step 2: Convert to fraction form
    727,994.74/1,004,636.11 = 422,252.14/x
  3. Step 3: Cross multiply
    727,994.74x = 1,004,636.11 × 422,252.14
  4. Step 4: Simplify right side
    727,994.74x = 424,209,751,309.09
  5. Step 5: Solve for x
    x = 424,209,751,309.09/727,994.74
  6. Step 6: Final answer
    x = 582,709.91

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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.