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Finding the Fourth Proportional to 577,499.29, 796,954.32 and 319,362.90

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Solution

The fourth proportional to 577,499.29, 796,954.32 and 319,362.90 is: 440,723.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,499.29 : 796,954.32 = 319,362.90 : x
  2. Step 2: Convert to fraction form
    577,499.29/796,954.32 = 319,362.90/x
  3. Step 3: Cross multiply
    577,499.29x = 796,954.32 × 319,362.90
  4. Step 4: Simplify right side
    577,499.29x = 254,517,642,802.73
  5. Step 5: Solve for x
    x = 254,517,642,802.73/577,499.29
  6. Step 6: Final answer
    x = 440,723.73

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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.