Home / 665,069.22-997,743.87-215,754.93

Finding the Fourth Proportional to 665,069.22, 997,743.87 and 215,754.93

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Solution

The fourth proportional to 665,069.22, 997,743.87 and 215,754.93 is: 323,677.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,069.22 : 997,743.87 = 215,754.93 : x
  2. Step 2: Convert to fraction form
    665,069.22/997,743.87 = 215,754.93/x
  3. Step 3: Cross multiply
    665,069.22x = 997,743.87 × 215,754.93
  4. Step 4: Simplify right side
    665,069.22x = 215,268,158,829.78
  5. Step 5: Solve for x
    x = 215,268,158,829.78/665,069.22
  6. Step 6: Final answer
    x = 323,677.83

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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.