Home / 505,524.93-697,624.29-279,170.43

Finding the Fourth Proportional to 505,524.93, 697,624.29 and 279,170.43

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Solution

The fourth proportional to 505,524.93, 697,624.29 and 279,170.43 is: 385,255.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,524.93 : 697,624.29 = 279,170.43 : x
  2. Step 2: Convert to fraction form
    505,524.93/697,624.29 = 279,170.43/x
  3. Step 3: Cross multiply
    505,524.93x = 697,624.29 × 279,170.43
  4. Step 4: Simplify right side
    505,524.93x = 194,756,073,017.75
  5. Step 5: Solve for x
    x = 194,756,073,017.75/505,524.93
  6. Step 6: Final answer
    x = 385,255.13

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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.