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Finding the Fourth Proportional to 517,827.41, 714,601.92 and 303,008.72

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Solution

The fourth proportional to 517,827.41, 714,601.92 and 303,008.72 is: 418,152.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,827.41 : 714,601.92 = 303,008.72 : x
  2. Step 2: Convert to fraction form
    517,827.41/714,601.92 = 303,008.72/x
  3. Step 3: Cross multiply
    517,827.41x = 714,601.92 × 303,008.72
  4. Step 4: Simplify right side
    517,827.41x = 216,530,613,088.74
  5. Step 5: Solve for x
    x = 216,530,613,088.74/517,827.41
  6. Step 6: Final answer
    x = 418,152.09

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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.