Home / 498,977.84-688,589.71-269,535.13

Finding the Fourth Proportional to 498,977.84, 688,589.71 and 269,535.13

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Solution

The fourth proportional to 498,977.84, 688,589.71 and 269,535.13 is: 371,958.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,977.84 : 688,589.71 = 269,535.13 : x
  2. Step 2: Convert to fraction form
    498,977.84/688,589.71 = 269,535.13/x
  3. Step 3: Cross multiply
    498,977.84x = 688,589.71 × 269,535.13
  4. Step 4: Simplify right side
    498,977.84x = 185,599,114,606.20
  5. Step 5: Solve for x
    x = 185,599,114,606.20/498,977.84
  6. Step 6: Final answer
    x = 371,958.63

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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.