Home / 979,969.80-1,469,177.10-536,737.80

Finding the Fourth Proportional to 979,969.80, 1,469,177.10 and 536,737.80

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Solution

The fourth proportional to 979,969.80, 1,469,177.10 and 536,737.80 is: 804,680.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,969.80 : 1,469,177.10 = 536,737.80 : x
  2. Step 2: Convert to fraction form
    979,969.80/1,469,177.10 = 536,737.80/x
  3. Step 3: Cross multiply
    979,969.80x = 1,469,177.10 × 536,737.80
  4. Step 4: Simplify right side
    979,969.80x = 788,562,884,464.38
  5. Step 5: Solve for x
    x = 788,562,884,464.38/979,969.80
  6. Step 6: Final answer
    x = 804,680.80

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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.