Home / 744,727.85-1,027,693.73-405,197.45

Finding the Fourth Proportional to 744,727.85, 1,027,693.73 and 405,197.45

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Solution

The fourth proportional to 744,727.85, 1,027,693.73 and 405,197.45 is: 559,155.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,727.85 : 1,027,693.73 = 405,197.45 : x
  2. Step 2: Convert to fraction form
    744,727.85/1,027,693.73 = 405,197.45/x
  3. Step 3: Cross multiply
    744,727.85x = 1,027,693.73 × 405,197.45
  4. Step 4: Simplify right side
    744,727.85x = 416,418,878,776.99
  5. Step 5: Solve for x
    x = 416,418,878,776.99/744,727.85
  6. Step 6: Final answer
    x = 559,155.78

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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.