Home / 522,824.07-721,495.17-293,380.82

Finding the Fourth Proportional to 522,824.07, 721,495.17 and 293,380.82

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Solution

The fourth proportional to 522,824.07, 721,495.17 and 293,380.82 is: 404,864.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,824.07 : 721,495.17 = 293,380.82 : x
  2. Step 2: Convert to fraction form
    522,824.07/721,495.17 = 293,380.82/x
  3. Step 3: Cross multiply
    522,824.07x = 721,495.17 × 293,380.82
  4. Step 4: Simplify right side
    522,824.07x = 211,672,840,993.16
  5. Step 5: Solve for x
    x = 211,672,840,993.16/522,824.07
  6. Step 6: Final answer
    x = 404,864.38

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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.