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Finding the Fourth Proportional to 669,673.67, 924,160.82 and 363,750.63

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Solution

The fourth proportional to 669,673.67, 924,160.82 and 363,750.63 is: 501,981.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,673.67 : 924,160.82 = 363,750.63 : x
  2. Step 2: Convert to fraction form
    669,673.67/924,160.82 = 363,750.63/x
  3. Step 3: Cross multiply
    669,673.67x = 924,160.82 × 363,750.63
  4. Step 4: Simplify right side
    669,673.67x = 336,164,078,677.56
  5. Step 5: Solve for x
    x = 336,164,078,677.56/669,673.67
  6. Step 6: Final answer
    x = 501,981.93

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Double scale
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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.