Home / 523,288.18-722,145.24-293,895.10

Finding the Fourth Proportional to 523,288.18, 722,145.24 and 293,895.10

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Solution

The fourth proportional to 523,288.18, 722,145.24 and 293,895.10 is: 405,579.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,288.18 : 722,145.24 = 293,895.10 : x
  2. Step 2: Convert to fraction form
    523,288.18/722,145.24 = 293,895.10/x
  3. Step 3: Cross multiply
    523,288.18x = 722,145.24 × 293,895.10
  4. Step 4: Simplify right side
    523,288.18x = 212,234,947,524.32
  5. Step 5: Solve for x
    x = 212,234,947,524.32/523,288.18
  6. Step 6: Final answer
    x = 405,579.48

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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.