Home / 523,836.27-722,981.03-309,029.13

Finding the Fourth Proportional to 523,836.27, 722,981.03 and 309,029.13

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Solution

The fourth proportional to 523,836.27, 722,981.03 and 309,029.13 is: 426,511.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,836.27 : 722,981.03 = 309,029.13 : x
  2. Step 2: Convert to fraction form
    523,836.27/722,981.03 = 309,029.13/x
  3. Step 3: Cross multiply
    523,836.27x = 722,981.03 × 309,029.13
  4. Step 4: Simplify right side
    523,836.27x = 223,422,197,162.26
  5. Step 5: Solve for x
    x = 223,422,197,162.26/523,836.27
  6. Step 6: Final answer
    x = 426,511.51

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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.