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Finding the Fourth Proportional to 508,844.77, 763,269.78 and 298,335.08

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Solution

The fourth proportional to 508,844.77, 763,269.78 and 298,335.08 is: 447,504.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,844.77 : 763,269.78 = 298,335.08 : x
  2. Step 2: Convert to fraction form
    508,844.77/763,269.78 = 298,335.08/x
  3. Step 3: Cross multiply
    508,844.77x = 763,269.78 × 298,335.08
  4. Step 4: Simplify right side
    508,844.77x = 227,710,153,904.81
  5. Step 5: Solve for x
    x = 227,710,153,904.81/508,844.77
  6. Step 6: Final answer
    x = 447,504.17

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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.