Home / 769,219.80-1,153,829.70-325,930.20

Finding the Fourth Proportional to 769,219.80, 1,153,829.70 and 325,930.20

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Solution

The fourth proportional to 769,219.80, 1,153,829.70 and 325,930.20 is: 488,895.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,219.80 : 1,153,829.70 = 325,930.20 : x
  2. Step 2: Convert to fraction form
    769,219.80/1,153,829.70 = 325,930.20/x
  3. Step 3: Cross multiply
    769,219.80x = 1,153,829.70 × 325,930.20
  4. Step 4: Simplify right side
    769,219.80x = 376,067,944,886.94
  5. Step 5: Solve for x
    x = 376,067,944,886.94/769,219.80
  6. Step 6: Final answer
    x = 488,895.30

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1.5x scale

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.