Home / 550,450.16-758,917.96-356,515.28

Finding the Fourth Proportional to 550,450.16, 758,917.96 and 356,515.28

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Solution

The fourth proportional to 550,450.16, 758,917.96 and 356,515.28 is: 491,535.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,450.16 : 758,917.96 = 356,515.28 : x
  2. Step 2: Convert to fraction form
    550,450.16/758,917.96 = 356,515.28/x
  3. Step 3: Cross multiply
    550,450.16x = 758,917.96 × 356,515.28
  4. Step 4: Simplify right side
    550,450.16x = 270,565,849,006.43
  5. Step 5: Solve for x
    x = 270,565,849,006.43/550,450.16
  6. Step 6: Final answer
    x = 491,535.60

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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.