Home / 880,933.80-1,321,400.70-615,213.30

Finding the Fourth Proportional to 880,933.80, 1,321,400.70 and 615,213.30

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Solution

The fourth proportional to 880,933.80, 1,321,400.70 and 615,213.30 is: 922,819.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,933.80 : 1,321,400.70 = 615,213.30 : x
  2. Step 2: Convert to fraction form
    880,933.80/1,321,400.70 = 615,213.30/x
  3. Step 3: Cross multiply
    880,933.80x = 1,321,400.70 × 615,213.30
  4. Step 4: Simplify right side
    880,933.80x = 812,943,285,269.31
  5. Step 5: Solve for x
    x = 812,943,285,269.31/880,933.80
  6. Step 6: Final answer
    x = 922,819.95

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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.