Home / 885,295.43-1,221,672.33-522,836.09

Finding the Fourth Proportional to 885,295.43, 1,221,672.33 and 522,836.09

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Solution

The fourth proportional to 885,295.43, 1,221,672.33 and 522,836.09 is: 721,492.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,295.43 : 1,221,672.33 = 522,836.09 : x
  2. Step 2: Convert to fraction form
    885,295.43/1,221,672.33 = 522,836.09/x
  3. Step 3: Cross multiply
    885,295.43x = 1,221,672.33 × 522,836.09
  4. Step 4: Simplify right side
    885,295.43x = 638,734,384,278.39
  5. Step 5: Solve for x
    x = 638,734,384,278.39/885,295.43
  6. Step 6: Final answer
    x = 721,492.92

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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.