Home / 979,948.80-1,469,145.60-536,716.80

Finding the Fourth Proportional to 979,948.80, 1,469,145.60 and 536,716.80

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Solution

The fourth proportional to 979,948.80, 1,469,145.60 and 536,716.80 is: 804,649.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,948.80 : 1,469,145.60 = 536,716.80 : x
  2. Step 2: Convert to fraction form
    979,948.80/1,469,145.60 = 536,716.80/x
  3. Step 3: Cross multiply
    979,948.80x = 1,469,145.60 × 536,716.80
  4. Step 4: Simplify right side
    979,948.80x = 788,515,125,166.08
  5. Step 5: Solve for x
    x = 788,515,125,166.08/979,948.80
  6. Step 6: Final answer
    x = 804,649.31

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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.