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Finding the Fourth Proportional to 456,470.73, 684,999.86 and 246,253.77

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Solution

The fourth proportional to 456,470.73, 684,999.86 and 246,253.77 is: 369,539.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,470.73 : 684,999.86 = 246,253.77 : x
  2. Step 2: Convert to fraction form
    456,470.73/684,999.86 = 246,253.77/x
  3. Step 3: Cross multiply
    456,470.73x = 684,999.86 × 246,253.77
  4. Step 4: Simplify right side
    456,470.73x = 168,683,796,743.20
  5. Step 5: Solve for x
    x = 168,683,796,743.20/456,470.73
  6. Step 6: Final answer
    x = 369,539.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.