Home / 872,655.50-1,308,659.24-303,890.60

Finding the Fourth Proportional to 872,655.50, 1,308,659.24 and 303,890.60

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Solution

The fourth proportional to 872,655.50, 1,308,659.24 and 303,890.60 is: 455,723.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,655.50 : 1,308,659.24 = 303,890.60 : x
  2. Step 2: Convert to fraction form
    872,655.50/1,308,659.24 = 303,890.60/x
  3. Step 3: Cross multiply
    872,655.50x = 1,308,659.24 × 303,890.60
  4. Step 4: Simplify right side
    872,655.50x = 397,689,241,639.14
  5. Step 5: Solve for x
    x = 397,689,241,639.14/872,655.50
  6. Step 6: Final answer
    x = 455,723.07

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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.