Home / 872,917.64-1,308,181.86-659,510.12

Finding the Fourth Proportional to 872,917.64, 1,308,181.86 and 659,510.12

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Solution

The fourth proportional to 872,917.64, 1,308,181.86 and 659,510.12 is: 988,362.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,917.64 : 1,308,181.86 = 659,510.12 : x
  2. Step 2: Convert to fraction form
    872,917.64/1,308,181.86 = 659,510.12/x
  3. Step 3: Cross multiply
    872,917.64x = 1,308,181.86 × 659,510.12
  4. Step 4: Simplify right side
    872,917.64x = 862,759,175,470.42
  5. Step 5: Solve for x
    x = 862,759,175,470.42/872,917.64
  6. Step 6: Final answer
    x = 988,362.63

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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.