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Finding the Fourth Proportional to 577,288.48, 796,589.04 and 319,130.68

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Solution

The fourth proportional to 577,288.48, 796,589.04 and 319,130.68 is: 440,362.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,288.48 : 796,589.04 = 319,130.68 : x
  2. Step 2: Convert to fraction form
    577,288.48/796,589.04 = 319,130.68/x
  3. Step 3: Cross multiply
    577,288.48x = 796,589.04 × 319,130.68
  4. Step 4: Simplify right side
    577,288.48x = 254,216,002,015.75
  5. Step 5: Solve for x
    x = 254,216,002,015.75/577,288.48
  6. Step 6: Final answer
    x = 440,362.16

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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.