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Finding the Fourth Proportional to 669,790.62, 924,307.38 and 363,864.60

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Solution

The fourth proportional to 669,790.62, 924,307.38 and 363,864.60 is: 502,131.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,790.62 : 924,307.38 = 363,864.60 : x
  2. Step 2: Convert to fraction form
    669,790.62/924,307.38 = 363,864.60/x
  3. Step 3: Cross multiply
    669,790.62x = 924,307.38 × 363,864.60
  4. Step 4: Simplify right side
    669,790.62x = 336,322,735,100.75
  5. Step 5: Solve for x
    x = 336,322,735,100.75/669,790.62
  6. Step 6: Final answer
    x = 502,131.15

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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.