Home / 669,180.78-1,003,771.77-550,602.86

Finding the Fourth Proportional to 669,180.78, 1,003,771.77 and 550,602.86

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Solution

The fourth proportional to 669,180.78, 1,003,771.77 and 550,602.86 is: 825,904.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,180.78 : 1,003,771.77 = 550,602.86 : x
  2. Step 2: Convert to fraction form
    669,180.78/1,003,771.77 = 550,602.86/x
  3. Step 3: Cross multiply
    669,180.78x = 1,003,771.77 × 550,602.86
  4. Step 4: Simplify right side
    669,180.78x = 552,679,602,330.40
  5. Step 5: Solve for x
    x = 552,679,602,330.40/669,180.78
  6. Step 6: Final answer
    x = 825,904.78

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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.