Home / 880,371.36-1,214,920.08-477,964.32

Finding the Fourth Proportional to 880,371.36, 1,214,920.08 and 477,964.32

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Solution

The fourth proportional to 880,371.36, 1,214,920.08 and 477,964.32 is: 659,594.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,371.36 : 1,214,920.08 = 477,964.32 : x
  2. Step 2: Convert to fraction form
    880,371.36/1,214,920.08 = 477,964.32/x
  3. Step 3: Cross multiply
    880,371.36x = 1,214,920.08 × 477,964.32
  4. Step 4: Simplify right side
    880,371.36x = 580,688,449,891.55
  5. Step 5: Solve for x
    x = 580,688,449,891.55/880,371.36
  6. Step 6: Final answer
    x = 659,594.89

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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.