Home / 880,331.14-1,320,000.99-281,151.46

Finding the Fourth Proportional to 880,331.14, 1,320,000.99 and 281,151.46

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Solution

The fourth proportional to 880,331.14, 1,320,000.99 and 281,151.46 is: 421,568.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,331.14 : 1,320,000.99 = 281,151.46 : x
  2. Step 2: Convert to fraction form
    880,331.14/1,320,000.99 = 281,151.46/x
  3. Step 3: Cross multiply
    880,331.14x = 1,320,000.99 × 281,151.46
  4. Step 4: Simplify right side
    880,331.14x = 371,120,205,539.95
  5. Step 5: Solve for x
    x = 371,120,205,539.95/880,331.14
  6. Step 6: Final answer
    x = 421,568.87

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1.5x scale

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.