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Finding the Fourth Proportional to 508,844.36, 763,269.18 and 298,334.68

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Solution

The fourth proportional to 508,844.36, 763,269.18 and 298,334.68 is: 447,503.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,844.36 : 763,269.18 = 298,334.68 : x
  2. Step 2: Convert to fraction form
    508,844.36/763,269.18 = 298,334.68/x
  3. Step 3: Cross multiply
    508,844.36x = 763,269.18 × 298,334.68
  4. Step 4: Simplify right side
    508,844.36x = 227,709,666,569.16
  5. Step 5: Solve for x
    x = 227,709,666,569.16/508,844.36
  6. Step 6: Final answer
    x = 447,503.57

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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.