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Finding the Fourth Proportional to 577,382.40, 796,792.32 and 322,744.32

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Solution

The fourth proportional to 577,382.40, 796,792.32 and 322,744.32 is: 445,389.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,382.40 : 796,792.32 = 322,744.32 : x
  2. Step 2: Convert to fraction form
    577,382.40/796,792.32 = 322,744.32/x
  3. Step 3: Cross multiply
    577,382.40x = 796,792.32 × 322,744.32
  4. Step 4: Simplify right side
    577,382.40x = 257,160,195,499.62
  5. Step 5: Solve for x
    x = 257,160,195,499.62/577,382.40
  6. Step 6: Final answer
    x = 445,389.74

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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.