Home / 840,841.56-1,260,512.37-308,238.28

Finding the Fourth Proportional to 840,841.56, 1,260,512.37 and 308,238.28

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Solution

The fourth proportional to 840,841.56, 1,260,512.37 and 308,238.28 is: 462,082.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,841.56 : 1,260,512.37 = 308,238.28 : x
  2. Step 2: Convert to fraction form
    840,841.56/1,260,512.37 = 308,238.28/x
  3. Step 3: Cross multiply
    840,841.56x = 1,260,512.37 × 308,238.28
  4. Step 4: Simplify right side
    840,841.56x = 388,538,161,696.24
  5. Step 5: Solve for x
    x = 388,538,161,696.24/840,841.56
  6. Step 6: Final answer
    x = 462,082.49

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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.