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Finding the Fourth Proportional to 669,629.61, 924,095.57 and 363,711.96

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Solution

The fourth proportional to 669,629.61, 924,095.57 and 363,711.96 is: 501,926.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,629.61 : 924,095.57 = 363,711.96 : x
  2. Step 2: Convert to fraction form
    669,629.61/924,095.57 = 363,711.96/x
  3. Step 3: Cross multiply
    669,629.61x = 924,095.57 × 363,711.96
  4. Step 4: Simplify right side
    669,629.61x = 336,104,609,173.46
  5. Step 5: Solve for x
    x = 336,104,609,173.46/669,629.61
  6. Step 6: Final answer
    x = 501,926.15

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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.