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Finding the Fourth Proportional to 577,440.88, 796,836.09 and 319,302.88

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Solution

The fourth proportional to 577,440.88, 796,836.09 and 319,302.88 is: 440,620.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,440.88 : 796,836.09 = 319,302.88 : x
  2. Step 2: Convert to fraction form
    577,440.88/796,836.09 = 319,302.88/x
  3. Step 3: Cross multiply
    577,440.88x = 796,836.09 × 319,302.88
  4. Step 4: Simplify right side
    577,440.88x = 254,432,058,424.94
  5. Step 5: Solve for x
    x = 254,432,058,424.94/577,440.88
  6. Step 6: Final answer
    x = 440,620.10

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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.