Home / 789,181.34-1,088,803.77-449,409.02

Finding the Fourth Proportional to 789,181.34, 1,088,803.77 and 449,409.02

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Solution

The fourth proportional to 789,181.34, 1,088,803.77 and 449,409.02 is: 620,032.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,181.34 : 1,088,803.77 = 449,409.02 : x
  2. Step 2: Convert to fraction form
    789,181.34/1,088,803.77 = 449,409.02/x
  3. Step 3: Cross multiply
    789,181.34x = 1,088,803.77 × 449,409.02
  4. Step 4: Simplify right side
    789,181.34x = 489,318,235,248.01
  5. Step 5: Solve for x
    x = 489,318,235,248.01/789,181.34
  6. Step 6: Final answer
    x = 620,032.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.