Home / 880,089.28-1,214,490.72-477,672.64

Finding the Fourth Proportional to 880,089.28, 1,214,490.72 and 477,672.64

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Solution

The fourth proportional to 880,089.28, 1,214,490.72 and 477,672.64 is: 659,170.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,089.28 : 1,214,490.72 = 477,672.64 : x
  2. Step 2: Convert to fraction form
    880,089.28/1,214,490.72 = 477,672.64/x
  3. Step 3: Cross multiply
    880,089.28x = 1,214,490.72 × 477,672.64
  4. Step 4: Simplify right side
    880,089.28x = 580,128,988,477.90
  5. Step 5: Solve for x
    x = 580,128,988,477.90/880,089.28
  6. Step 6: Final answer
    x = 659,170.61

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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.