Home / 752,810.04-1,129,508.82-331,789.32

Finding the Fourth Proportional to 752,810.04, 1,129,508.82 and 331,789.32

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Solution

The fourth proportional to 752,810.04, 1,129,508.82 and 331,789.32 is: 497,813.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,810.04 : 1,129,508.82 = 331,789.32 : x
  2. Step 2: Convert to fraction form
    752,810.04/1,129,508.82 = 331,789.32/x
  3. Step 3: Cross multiply
    752,810.04x = 1,129,508.82 × 331,789.32
  4. Step 4: Simplify right side
    752,810.04x = 374,758,963,321.80
  5. Step 5: Solve for x
    x = 374,758,963,321.80/752,810.04
  6. Step 6: Final answer
    x = 497,813.45

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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.