Home / 880,356.60-1,320,632.10-281,215.80

Finding the Fourth Proportional to 880,356.60, 1,320,632.10 and 281,215.80

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Solution

The fourth proportional to 880,356.60, 1,320,632.10 and 281,215.80 is: 421,854.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,356.60 : 1,320,632.10 = 281,215.80 : x
  2. Step 2: Convert to fraction form
    880,356.60/1,320,632.10 = 281,215.80/x
  3. Step 3: Cross multiply
    880,356.60x = 1,320,632.10 × 281,215.80
  4. Step 4: Simplify right side
    880,356.60x = 371,382,612,507.18
  5. Step 5: Solve for x
    x = 371,382,612,507.18/880,356.60
  6. Step 6: Final answer
    x = 421,854.75

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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.