Home / 765,840.01-1,149,372.38-345,148.69

Finding the Fourth Proportional to 765,840.01, 1,149,372.38 and 345,148.69

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Solution

The fourth proportional to 765,840.01, 1,149,372.38 and 345,148.69 is: 517,999.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,840.01 : 1,149,372.38 = 345,148.69 : x
  2. Step 2: Convert to fraction form
    765,840.01/1,149,372.38 = 345,148.69/x
  3. Step 3: Cross multiply
    765,840.01x = 1,149,372.38 × 345,148.69
  4. Step 4: Simplify right side
    765,840.01x = 396,704,369,553.44
  5. Step 5: Solve for x
    x = 396,704,369,553.44/765,840.01
  6. Step 6: Final answer
    x = 517,999.01

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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.