Home / 498,950.03-688,551.32-269,507.31

Finding the Fourth Proportional to 498,950.03, 688,551.32 and 269,507.31

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Solution

The fourth proportional to 498,950.03, 688,551.32 and 269,507.31 is: 371,920.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,950.03 : 688,551.32 = 269,507.31 : x
  2. Step 2: Convert to fraction form
    498,950.03/688,551.32 = 269,507.31/x
  3. Step 3: Cross multiply
    498,950.03x = 688,551.32 × 269,507.31
  4. Step 4: Simplify right side
    498,950.03x = 185,569,614,050.15
  5. Step 5: Solve for x
    x = 185,569,614,050.15/498,950.03
  6. Step 6: Final answer
    x = 371,920.24

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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.