Home / 744,962.34-1,028,028.33-405,423.30

Finding the Fourth Proportional to 744,962.34, 1,028,028.33 and 405,423.30

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Solution

The fourth proportional to 744,962.34, 1,028,028.33 and 405,423.30 is: 559,473.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,962.34 : 1,028,028.33 = 405,423.30 : x
  2. Step 2: Convert to fraction form
    744,962.34/1,028,028.33 = 405,423.30/x
  3. Step 3: Cross multiply
    744,962.34x = 1,028,028.33 × 405,423.30
  4. Step 4: Simplify right side
    744,962.34x = 416,786,638,042.09
  5. Step 5: Solve for x
    x = 416,786,638,042.09/744,962.34
  6. Step 6: Final answer
    x = 559,473.43

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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.