Home / 744,532.98-1,027,450.89-405,002.58

Finding the Fourth Proportional to 744,532.98, 1,027,450.89 and 405,002.58

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Solution

The fourth proportional to 744,532.98, 1,027,450.89 and 405,002.58 is: 558,901.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,532.98 : 1,027,450.89 = 405,002.58 : x
  2. Step 2: Convert to fraction form
    744,532.98/1,027,450.89 = 405,002.58/x
  3. Step 3: Cross multiply
    744,532.98x = 1,027,450.89 × 405,002.58
  4. Step 4: Simplify right side
    744,532.98x = 416,120,261,273.30
  5. Step 5: Solve for x
    x = 416,120,261,273.30/744,532.98
  6. Step 6: Final answer
    x = 558,901.05

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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.