Home / 669,070.75-923,318.66-363,147.25

Finding the Fourth Proportional to 669,070.75, 923,318.66 and 363,147.25

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Solution

The fourth proportional to 669,070.75, 923,318.66 and 363,147.25 is: 501,143.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,070.75 : 923,318.66 = 363,147.25 : x
  2. Step 2: Convert to fraction form
    669,070.75/923,318.66 = 363,147.25/x
  3. Step 3: Cross multiply
    669,070.75x = 923,318.66 × 363,147.25
  4. Step 4: Simplify right side
    669,070.75x = 335,300,632,252.69
  5. Step 5: Solve for x
    x = 335,300,632,252.69/669,070.75
  6. Step 6: Final answer
    x = 501,143.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.