Home / 662,884.10-914,786.32-376,410.20

Finding the Fourth Proportional to 662,884.10, 914,786.32 and 376,410.20

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Solution

The fourth proportional to 662,884.10, 914,786.32 and 376,410.20 is: 519,449.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,884.10 : 914,786.32 = 376,410.20 : x
  2. Step 2: Convert to fraction form
    662,884.10/914,786.32 = 376,410.20/x
  3. Step 3: Cross multiply
    662,884.10x = 914,786.32 × 376,410.20
  4. Step 4: Simplify right side
    662,884.10x = 344,334,901,668.46
  5. Step 5: Solve for x
    x = 344,334,901,668.46/662,884.10
  6. Step 6: Final answer
    x = 519,449.63

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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.