Home / 689,382.72-1,034,087.04-216,057.60

Finding the Fourth Proportional to 689,382.72, 1,034,087.04 and 216,057.60

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Solution

The fourth proportional to 689,382.72, 1,034,087.04 and 216,057.60 is: 324,090.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,382.72 : 1,034,087.04 = 216,057.60 : x
  2. Step 2: Convert to fraction form
    689,382.72/1,034,087.04 = 216,057.60/x
  3. Step 3: Cross multiply
    689,382.72x = 1,034,087.04 × 216,057.60
  4. Step 4: Simplify right side
    689,382.72x = 223,422,364,053.50
  5. Step 5: Solve for x
    x = 223,422,364,053.50/689,382.72
  6. Step 6: Final answer
    x = 324,090.46

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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.