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Finding the Fourth Proportional to 669,647.41, 924,120.21 and 363,729.77

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Solution

The fourth proportional to 669,647.41, 924,120.21 and 363,729.77 is: 501,950.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,647.41 : 924,120.21 = 363,729.77 : x
  2. Step 2: Convert to fraction form
    669,647.41/924,120.21 = 363,729.77/x
  3. Step 3: Cross multiply
    669,647.41x = 924,120.21 × 363,729.77
  4. Step 4: Simplify right side
    669,647.41x = 336,130,034,796.68
  5. Step 5: Solve for x
    x = 336,130,034,796.68/669,647.41
  6. Step 6: Final answer
    x = 501,950.77

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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.