Home / 563,879.42-845,943.70-279,724.54

Finding the Fourth Proportional to 563,879.42, 845,943.70 and 279,724.54

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Solution

The fourth proportional to 563,879.42, 845,943.70 and 279,724.54 is: 419,648.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,879.42 : 845,943.70 = 279,724.54 : x
  2. Step 2: Convert to fraction form
    563,879.42/845,943.70 = 279,724.54/x
  3. Step 3: Cross multiply
    563,879.42x = 845,943.70 × 279,724.54
  4. Step 4: Simplify right side
    563,879.42x = 236,631,211,644.86
  5. Step 5: Solve for x
    x = 236,631,211,644.86/563,879.42
  6. Step 6: Final answer
    x = 419,648.60

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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.