Home / 885,629.64-1,222,195.86-503,711.40

Finding the Fourth Proportional to 885,629.64, 1,222,195.86 and 503,711.40

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Solution

The fourth proportional to 885,629.64, 1,222,195.86 and 503,711.40 is: 695,137.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,629.64 : 1,222,195.86 = 503,711.40 : x
  2. Step 2: Convert to fraction form
    885,629.64/1,222,195.86 = 503,711.40/x
  3. Step 3: Cross multiply
    885,629.64x = 1,222,195.86 × 503,711.40
  4. Step 4: Simplify right side
    885,629.64x = 615,633,987,714.80
  5. Step 5: Solve for x
    x = 615,633,987,714.80/885,629.64
  6. Step 6: Final answer
    x = 695,137.06

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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.