Home / 814,052.57-1,221,264.89-281,573.15

Finding the Fourth Proportional to 814,052.57, 1,221,264.89 and 281,573.15

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Solution

The fourth proportional to 814,052.57, 1,221,264.89 and 281,573.15 is: 422,424.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,052.57 : 1,221,264.89 = 281,573.15 : x
  2. Step 2: Convert to fraction form
    814,052.57/1,221,264.89 = 281,573.15/x
  3. Step 3: Cross multiply
    814,052.57x = 1,221,264.89 × 281,573.15
  4. Step 4: Simplify right side
    814,052.57x = 343,875,400,653.84
  5. Step 5: Solve for x
    x = 343,875,400,653.84/814,052.57
  6. Step 6: Final answer
    x = 422,424.07

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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.