Home / 885,353.73-1,328,042.43-278,122.25

Finding the Fourth Proportional to 885,353.73, 1,328,042.43 and 278,122.25

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Solution

The fourth proportional to 885,353.73, 1,328,042.43 and 278,122.25 is: 417,187.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,353.73 : 1,328,042.43 = 278,122.25 : x
  2. Step 2: Convert to fraction form
    885,353.73/1,328,042.43 = 278,122.25/x
  3. Step 3: Cross multiply
    885,353.73x = 1,328,042.43 × 278,122.25
  4. Step 4: Simplify right side
    885,353.73x = 369,358,142,086.86
  5. Step 5: Solve for x
    x = 369,358,142,086.86/885,353.73
  6. Step 6: Final answer
    x = 417,187.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.