Home / 727,270.56-1,003,633.33-421,524.28

Finding the Fourth Proportional to 727,270.56, 1,003,633.33 and 421,524.28

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Solution

The fourth proportional to 727,270.56, 1,003,633.33 and 421,524.28 is: 581,703.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,270.56 : 1,003,633.33 = 421,524.28 : x
  2. Step 2: Convert to fraction form
    727,270.56/1,003,633.33 = 421,524.28/x
  3. Step 3: Cross multiply
    727,270.56x = 1,003,633.33 × 421,524.28
  4. Step 4: Simplify right side
    727,270.56x = 423,055,814,704.63
  5. Step 5: Solve for x
    x = 423,055,814,704.63/727,270.56
  6. Step 6: Final answer
    x = 581,703.48

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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.