Home / 741,215.60-1,022,987.22-469,308.77

Finding the Fourth Proportional to 741,215.60, 1,022,987.22 and 469,308.77

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Solution

The fourth proportional to 741,215.60, 1,022,987.22 and 469,308.77 is: 647,715.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,215.60 : 1,022,987.22 = 469,308.77 : x
  2. Step 2: Convert to fraction form
    741,215.60/1,022,987.22 = 469,308.77/x
  3. Step 3: Cross multiply
    741,215.60x = 1,022,987.22 × 469,308.77
  4. Step 4: Simplify right side
    741,215.60x = 480,096,873,943.92
  5. Step 5: Solve for x
    x = 480,096,873,943.92/741,215.60
  6. Step 6: Final answer
    x = 647,715.56

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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.