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Finding the Fourth Proportional to 880,007.56, 1,214,410.92 and 477,599.56

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Solution

The fourth proportional to 880,007.56, 1,214,410.92 and 477,599.56 is: 659,087.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,007.56 : 1,214,410.92 = 477,599.56 : x
  2. Step 2: Convert to fraction form
    880,007.56/1,214,410.92 = 477,599.56/x
  3. Step 3: Cross multiply
    880,007.56x = 1,214,410.92 × 477,599.56
  4. Step 4: Simplify right side
    880,007.56x = 580,002,116,173.14
  5. Step 5: Solve for x
    x = 580,002,116,173.14/880,007.56
  6. Step 6: Final answer
    x = 659,087.66

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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.