Home / 727,086.92-1,091,128.67-253,772.28

Finding the Fourth Proportional to 727,086.92, 1,091,128.67 and 253,772.28

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Solution

The fourth proportional to 727,086.92, 1,091,128.67 and 253,772.28 is: 380,832.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,086.92 : 1,091,128.67 = 253,772.28 : x
  2. Step 2: Convert to fraction form
    727,086.92/1,091,128.67 = 253,772.28/x
  3. Step 3: Cross multiply
    727,086.92x = 1,091,128.67 × 253,772.28
  4. Step 4: Simplify right side
    727,086.92x = 276,898,209,090.41
  5. Step 5: Solve for x
    x = 276,898,209,090.41/727,086.92
  6. Step 6: Final answer
    x = 380,832.34

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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.