Home / 872,894.58-1,308,147.48-659,487.12

Finding the Fourth Proportional to 872,894.58, 1,308,147.48 and 659,487.12

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Solution

The fourth proportional to 872,894.58, 1,308,147.48 and 659,487.12 is: 988,328.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,894.58 : 1,308,147.48 = 659,487.12 : x
  2. Step 2: Convert to fraction form
    872,894.58/1,308,147.48 = 659,487.12/x
  3. Step 3: Cross multiply
    872,894.58x = 1,308,147.48 × 659,487.12
  4. Step 4: Simplify right side
    872,894.58x = 862,706,414,120.46
  5. Step 5: Solve for x
    x = 862,706,414,120.46/872,894.58
  6. Step 6: Final answer
    x = 988,328.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.