Home / 907,788.96-1,252,724.32-505,380.96

Finding the Fourth Proportional to 907,788.96, 1,252,724.32 and 505,380.96

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Solution

The fourth proportional to 907,788.96, 1,252,724.32 and 505,380.96 is: 697,412.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,788.96 : 1,252,724.32 = 505,380.96 : x
  2. Step 2: Convert to fraction form
    907,788.96/1,252,724.32 = 505,380.96/x
  3. Step 3: Cross multiply
    907,788.96x = 1,252,724.32 × 505,380.96
  4. Step 4: Simplify right side
    907,788.96x = 633,103,019,456.95
  5. Step 5: Solve for x
    x = 633,103,019,456.95/907,788.96
  6. Step 6: Final answer
    x = 697,412.12

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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.