Home / 669,382.88-923,749.48-363,459.86

Finding the Fourth Proportional to 669,382.88, 923,749.48 and 363,459.86

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Solution

The fourth proportional to 669,382.88, 923,749.48 and 363,459.86 is: 501,575.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,382.88 : 923,749.48 = 363,459.86 : x
  2. Step 2: Convert to fraction form
    669,382.88/923,749.48 = 363,459.86/x
  3. Step 3: Cross multiply
    669,382.88x = 923,749.48 × 363,459.86
  4. Step 4: Simplify right side
    669,382.88x = 335,745,856,675.87
  5. Step 5: Solve for x
    x = 335,745,856,675.87/669,382.88
  6. Step 6: Final answer
    x = 501,575.21

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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.