Home / 880,497.06-1,320,947.31-319,531.62

Finding the Fourth Proportional to 880,497.06, 1,320,947.31 and 319,531.62

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Solution

The fourth proportional to 880,497.06, 1,320,947.31 and 319,531.62 is: 479,370.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,497.06 : 1,320,947.31 = 319,531.62 : x
  2. Step 2: Convert to fraction form
    880,497.06/1,320,947.31 = 319,531.62/x
  3. Step 3: Cross multiply
    880,497.06x = 1,320,947.31 × 319,531.62
  4. Step 4: Simplify right side
    880,497.06x = 422,084,433,898.94
  5. Step 5: Solve for x
    x = 422,084,433,898.94/880,497.06
  6. Step 6: Final answer
    x = 479,370.63

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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.