Home / 727,905.30-1,091,566.35-254,346.90

Finding the Fourth Proportional to 727,905.30, 1,091,566.35 and 254,346.90

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Solution

The fourth proportional to 727,905.30, 1,091,566.35 and 254,346.90 is: 381,418.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,905.30 : 1,091,566.35 = 254,346.90 : x
  2. Step 2: Convert to fraction form
    727,905.30/1,091,566.35 = 254,346.90/x
  3. Step 3: Cross multiply
    727,905.30x = 1,091,566.35 × 254,346.90
  4. Step 4: Simplify right side
    727,905.30x = 277,636,517,266.82
  5. Step 5: Solve for x
    x = 277,636,517,266.82/727,905.30
  6. Step 6: Final answer
    x = 381,418.46

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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.