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Finding the Fourth Proportional to 669,047.81, 923,292.52 and 363,126.89

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Solution

The fourth proportional to 669,047.81, 923,292.52 and 363,126.89 is: 501,118.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,047.81 : 923,292.52 = 363,126.89 : x
  2. Step 2: Convert to fraction form
    669,047.81/923,292.52 = 363,126.89/x
  3. Step 3: Cross multiply
    669,047.81x = 923,292.52 × 363,126.89
  4. Step 4: Simplify right side
    669,047.81x = 335,272,342,748.28
  5. Step 5: Solve for x
    x = 335,272,342,748.28/669,047.81
  6. Step 6: Final answer
    x = 501,118.66

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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.