Home / 727,116.06-1,003,160.41-421,025.34

Finding the Fourth Proportional to 727,116.06, 1,003,160.41 and 421,025.34

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Solution

The fourth proportional to 727,116.06, 1,003,160.41 and 421,025.34 is: 580,864.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,116.06 : 1,003,160.41 = 421,025.34 : x
  2. Step 2: Convert to fraction form
    727,116.06/1,003,160.41 = 421,025.34/x
  3. Step 3: Cross multiply
    727,116.06x = 1,003,160.41 × 421,025.34
  4. Step 4: Simplify right side
    727,116.06x = 422,355,952,694.79
  5. Step 5: Solve for x
    x = 422,355,952,694.79/727,116.06
  6. Step 6: Final answer
    x = 580,864.56

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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.