Home / 880,331.64-1,320,001.74-281,151.96

Finding the Fourth Proportional to 880,331.64, 1,320,001.74 and 281,151.96

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Solution

The fourth proportional to 880,331.64, 1,320,001.74 and 281,151.96 is: 421,569.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,331.64 : 1,320,001.74 = 281,151.96 : x
  2. Step 2: Convert to fraction form
    880,331.64/1,320,001.74 = 281,151.96/x
  3. Step 3: Cross multiply
    880,331.64x = 1,320,001.74 × 281,151.96
  4. Step 4: Simplify right side
    880,331.64x = 371,121,076,404.41
  5. Step 5: Solve for x
    x = 371,121,076,404.41/880,331.64
  6. Step 6: Final answer
    x = 421,569.62

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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.