Home / 885,222.09-1,221,560.87-482,736.33

Finding the Fourth Proportional to 885,222.09, 1,221,560.87 and 482,736.33

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Solution

The fourth proportional to 885,222.09, 1,221,560.87 and 482,736.33 is: 666,151.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,222.09 : 1,221,560.87 = 482,736.33 : x
  2. Step 2: Convert to fraction form
    885,222.09/1,221,560.87 = 482,736.33/x
  3. Step 3: Cross multiply
    885,222.09x = 1,221,560.87 × 482,736.33
  4. Step 4: Simplify right side
    885,222.09x = 589,691,808,841.73
  5. Step 5: Solve for x
    x = 589,691,808,841.73/885,222.09
  6. Step 6: Final answer
    x = 666,151.26

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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.