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Finding the Fourth Proportional to 577,429.88, 796,858.39 and 319,324.19

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Solution

The fourth proportional to 577,429.88, 796,858.39 and 319,324.19 is: 440,670.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,429.88 : 796,858.39 = 319,324.19 : x
  2. Step 2: Convert to fraction form
    577,429.88/796,858.39 = 319,324.19/x
  3. Step 3: Cross multiply
    577,429.88x = 796,858.39 × 319,324.19
  4. Step 4: Simplify right side
    577,429.88x = 254,456,155,148.85
  5. Step 5: Solve for x
    x = 254,456,155,148.85/577,429.88
  6. Step 6: Final answer
    x = 440,670.23

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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.