Home / 806,007.20-1,207,628.40-384,375.20

Finding the Fourth Proportional to 806,007.20, 1,207,628.40 and 384,375.20

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Solution

The fourth proportional to 806,007.20, 1,207,628.40 and 384,375.20 is: 575,903.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,007.20 : 1,207,628.40 = 384,375.20 : x
  2. Step 2: Convert to fraction form
    806,007.20/1,207,628.40 = 384,375.20/x
  3. Step 3: Cross multiply
    806,007.20x = 1,207,628.40 × 384,375.20
  4. Step 4: Simplify right side
    806,007.20x = 464,182,407,775.68
  5. Step 5: Solve for x
    x = 464,182,407,775.68/806,007.20
  6. Step 6: Final answer
    x = 575,903.55

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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.