Home / 669,189.40-1,003,784.74-550,611.47

Finding the Fourth Proportional to 669,189.40, 1,003,784.74 and 550,611.47

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Solution

The fourth proportional to 669,189.40, 1,003,784.74 and 550,611.47 is: 825,917.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,189.40 : 1,003,784.74 = 550,611.47 : x
  2. Step 2: Convert to fraction form
    669,189.40/1,003,784.74 = 550,611.47/x
  3. Step 3: Cross multiply
    669,189.40x = 1,003,784.74 × 550,611.47
  4. Step 4: Simplify right side
    669,189.40x = 552,695,392,387.90
  5. Step 5: Solve for x
    x = 552,695,392,387.90/669,189.40
  6. Step 6: Final answer
    x = 825,917.74

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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.