Home / 669,189.21-1,003,784.46-550,611.29

Finding the Fourth Proportional to 669,189.21, 1,003,784.46 and 550,611.29

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Solution

The fourth proportional to 669,189.21, 1,003,784.46 and 550,611.29 is: 825,917.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,189.21 : 1,003,784.46 = 550,611.29 : x
  2. Step 2: Convert to fraction form
    669,189.21/1,003,784.46 = 550,611.29/x
  3. Step 3: Cross multiply
    669,189.21x = 1,003,784.46 × 550,611.29
  4. Step 4: Simplify right side
    669,189.21x = 552,695,056,402.55
  5. Step 5: Solve for x
    x = 552,695,056,402.55/669,189.21
  6. Step 6: Final answer
    x = 825,917.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.