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Finding the Fourth Proportional to 669,796.64, 924,315.70 and 363,870.60

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Solution

The fourth proportional to 669,796.64, 924,315.70 and 363,870.60 is: 502,139.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,796.64 : 924,315.70 = 363,870.60 : x
  2. Step 2: Convert to fraction form
    669,796.64/924,315.70 = 363,870.60/x
  3. Step 3: Cross multiply
    669,796.64x = 924,315.70 × 363,870.60
  4. Step 4: Simplify right side
    669,796.64x = 336,331,308,348.42
  5. Step 5: Solve for x
    x = 336,331,308,348.42/669,796.64
  6. Step 6: Final answer
    x = 502,139.44

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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.