Home / 885,296.43-1,221,673.71-522,837.09

Finding the Fourth Proportional to 885,296.43, 1,221,673.71 and 522,837.09

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Solution

The fourth proportional to 885,296.43, 1,221,673.71 and 522,837.09 is: 721,494.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,296.43 : 1,221,673.71 = 522,837.09 : x
  2. Step 2: Convert to fraction form
    885,296.43/1,221,673.71 = 522,837.09/x
  3. Step 3: Cross multiply
    885,296.43x = 1,221,673.71 × 522,837.09
  4. Step 4: Simplify right side
    885,296.43x = 638,736,327,465.90
  5. Step 5: Solve for x
    x = 638,736,327,465.90/885,296.43
  6. Step 6: Final answer
    x = 721,494.30

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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.