Home / 674,268.96-930,519.51-387,789.33

Finding the Fourth Proportional to 674,268.96, 930,519.51 and 387,789.33

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Solution

The fourth proportional to 674,268.96, 930,519.51 and 387,789.33 is: 535,165.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,268.96 : 930,519.51 = 387,789.33 : x
  2. Step 2: Convert to fraction form
    674,268.96/930,519.51 = 387,789.33/x
  3. Step 3: Cross multiply
    674,268.96x = 930,519.51 × 387,789.33
  4. Step 4: Simplify right side
    674,268.96x = 360,845,537,334.83
  5. Step 5: Solve for x
    x = 360,845,537,334.83/674,268.96
  6. Step 6: Final answer
    x = 535,165.58

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1.5x scale

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.