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Finding the Fourth Proportional to 669,771.39, 924,299.73 and 363,858.69

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Solution

The fourth proportional to 669,771.39, 924,299.73 and 363,858.69 is: 502,133.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,771.39 : 924,299.73 = 363,858.69 : x
  2. Step 2: Convert to fraction form
    669,771.39/924,299.73 = 363,858.69/x
  3. Step 3: Cross multiply
    669,771.39x = 924,299.73 × 363,858.69
  4. Step 4: Simplify right side
    669,771.39x = 336,314,488,925.15
  5. Step 5: Solve for x
    x = 336,314,488,925.15/669,771.39
  6. Step 6: Final answer
    x = 502,133.26

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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.