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Finding the Fourth Proportional to 505,797.24, 758,041.82 and 378,438.24

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Solution

The fourth proportional to 505,797.24, 758,041.82 and 378,438.24 is: 567,168.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,797.24 : 758,041.82 = 378,438.24 : x
  2. Step 2: Convert to fraction form
    505,797.24/758,041.82 = 378,438.24/x
  3. Step 3: Cross multiply
    505,797.24x = 758,041.82 × 378,438.24
  4. Step 4: Simplify right side
    505,797.24x = 286,872,009,363.08
  5. Step 5: Solve for x
    x = 286,872,009,363.08/505,797.24
  6. Step 6: Final answer
    x = 567,168.01

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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.