Home / 880,374.10-1,318,811.55-505,959.70

Finding the Fourth Proportional to 880,374.10, 1,318,811.55 and 505,959.70

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Solution

The fourth proportional to 880,374.10, 1,318,811.55 and 505,959.70 is: 757,934.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,374.10 : 1,318,811.55 = 505,959.70 : x
  2. Step 2: Convert to fraction form
    880,374.10/1,318,811.55 = 505,959.70/x
  3. Step 3: Cross multiply
    880,374.10x = 1,318,811.55 × 505,959.70
  4. Step 4: Simplify right side
    880,374.10x = 667,265,496,194.54
  5. Step 5: Solve for x
    x = 667,265,496,194.54/880,374.10
  6. Step 6: Final answer
    x = 757,934.04

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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.