Home / 880,091.28-1,214,493.48-477,674.64

Finding the Fourth Proportional to 880,091.28, 1,214,493.48 and 477,674.64

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Solution

The fourth proportional to 880,091.28, 1,214,493.48 and 477,674.64 is: 659,173.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,091.28 : 1,214,493.48 = 477,674.64 : x
  2. Step 2: Convert to fraction form
    880,091.28/1,214,493.48 = 477,674.64/x
  3. Step 3: Cross multiply
    880,091.28x = 1,214,493.48 × 477,674.64
  4. Step 4: Simplify right side
    880,091.28x = 580,132,735,841.35
  5. Step 5: Solve for x
    x = 580,132,735,841.35/880,091.28
  6. Step 6: Final answer
    x = 659,173.37

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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.