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Finding the Fourth Proportional to 669,660.56, 924,128.94 and 363,734.48

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Solution

The fourth proportional to 669,660.56, 924,128.94 and 363,734.48 is: 501,952.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,660.56 : 924,128.94 = 363,734.48 : x
  2. Step 2: Convert to fraction form
    669,660.56/924,128.94 = 363,734.48/x
  3. Step 3: Cross multiply
    669,660.56x = 924,128.94 × 363,734.48
  4. Step 4: Simplify right side
    669,660.56x = 336,137,559,443.85
  5. Step 5: Solve for x
    x = 336,137,559,443.85/669,660.56
  6. Step 6: Final answer
    x = 501,952.15

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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.