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Finding the Fourth Proportional to 669,640.54, 924,110.67 and 363,722.89

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Solution

The fourth proportional to 669,640.54, 924,110.67 and 363,722.89 is: 501,941.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,640.54 : 924,110.67 = 363,722.89 : x
  2. Step 2: Convert to fraction form
    669,640.54/924,110.67 = 363,722.89/x
  3. Step 3: Cross multiply
    669,640.54x = 924,110.67 × 363,722.89
  4. Step 4: Simplify right side
    669,640.54x = 336,120,203,572.24
  5. Step 5: Solve for x
    x = 336,120,203,572.24/669,640.54
  6. Step 6: Final answer
    x = 501,941.24

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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.