Home / 887,759.50-1,225,157.19-505,713.10

Finding the Fourth Proportional to 887,759.50, 1,225,157.19 and 505,713.10

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Solution

The fourth proportional to 887,759.50, 1,225,157.19 and 505,713.10 is: 697,912.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,759.50 : 1,225,157.19 = 505,713.10 : x
  2. Step 2: Convert to fraction form
    887,759.50/1,225,157.19 = 505,713.10/x
  3. Step 3: Cross multiply
    887,759.50x = 1,225,157.19 × 505,713.10
  4. Step 4: Simplify right side
    887,759.50x = 619,578,040,542.19
  5. Step 5: Solve for x
    x = 619,578,040,542.19/887,759.50
  6. Step 6: Final answer
    x = 697,912.04

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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.