Home / 908,142.26-1,253,356.60-586,786.90

Finding the Fourth Proportional to 908,142.26, 1,253,356.60 and 586,786.90

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Solution

The fourth proportional to 908,142.26, 1,253,356.60 and 586,786.90 is: 809,843.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,142.26 : 1,253,356.60 = 586,786.90 : x
  2. Step 2: Convert to fraction form
    908,142.26/1,253,356.60 = 586,786.90/x
  3. Step 3: Cross multiply
    908,142.26x = 1,253,356.60 × 586,786.90
  4. Step 4: Simplify right side
    908,142.26x = 735,453,233,908.54
  5. Step 5: Solve for x
    x = 735,453,233,908.54/908,142.26
  6. Step 6: Final answer
    x = 809,843.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.