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Finding the Fourth Proportional to 562,611.92, 776,457.24 and 336,252.56

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Solution

The fourth proportional to 562,611.92, 776,457.24 and 336,252.56 is: 464,060.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,611.92 : 776,457.24 = 336,252.56 : x
  2. Step 2: Convert to fraction form
    562,611.92/776,457.24 = 336,252.56/x
  3. Step 3: Cross multiply
    562,611.92x = 776,457.24 × 336,252.56
  4. Step 4: Simplify right side
    562,611.92x = 261,085,734,680.53
  5. Step 5: Solve for x
    x = 261,085,734,680.53/562,611.92
  6. Step 6: Final answer
    x = 464,060.08

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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.