Home / 980,141.80-1,469,435.10-536,909.80

Finding the Fourth Proportional to 980,141.80, 1,469,435.10 and 536,909.80

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Solution

The fourth proportional to 980,141.80, 1,469,435.10 and 536,909.80 is: 804,938.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,141.80 : 1,469,435.10 = 536,909.80 : x
  2. Step 2: Convert to fraction form
    980,141.80/1,469,435.10 = 536,909.80/x
  3. Step 3: Cross multiply
    980,141.80x = 1,469,435.10 × 536,909.80
  4. Step 4: Simplify right side
    980,141.80x = 788,954,105,653.98
  5. Step 5: Solve for x
    x = 788,954,105,653.98/980,141.80
  6. Step 6: Final answer
    x = 804,938.74

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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.