Home / 743,682.60-1,026,259.74-404,151.48

Finding the Fourth Proportional to 743,682.60, 1,026,259.74 and 404,151.48

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Solution

The fourth proportional to 743,682.60, 1,026,259.74 and 404,151.48 is: 557,716.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,682.60 : 1,026,259.74 = 404,151.48 : x
  2. Step 2: Convert to fraction form
    743,682.60/1,026,259.74 = 404,151.48/x
  3. Step 3: Cross multiply
    743,682.60x = 1,026,259.74 × 404,151.48
  4. Step 4: Simplify right side
    743,682.60x = 414,764,392,785.42
  5. Step 5: Solve for x
    x = 414,764,392,785.42/743,682.60
  6. Step 6: Final answer
    x = 557,716.95

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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.