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Finding the Fourth Proportional to 576,957.81, 796,232.35 and 347,587.31

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Solution

The fourth proportional to 576,957.81, 796,232.35 and 347,587.31 is: 479,688.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,957.81 : 796,232.35 = 347,587.31 : x
  2. Step 2: Convert to fraction form
    576,957.81/796,232.35 = 347,587.31/x
  3. Step 3: Cross multiply
    576,957.81x = 796,232.35 × 347,587.31
  4. Step 4: Simplify right side
    576,957.81x = 276,760,256,690.32
  5. Step 5: Solve for x
    x = 276,760,256,690.32/576,957.81
  6. Step 6: Final answer
    x = 479,688.90

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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.