Home / 407,363.87-562,628.71-268,284.20

Finding the Fourth Proportional to 407,363.87, 562,628.71 and 268,284.20

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Solution

The fourth proportional to 407,363.87, 562,628.71 and 268,284.20 is: 370,539.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,363.87 : 562,628.71 = 268,284.20 : x
  2. Step 2: Convert to fraction form
    407,363.87/562,628.71 = 268,284.20/x
  3. Step 3: Cross multiply
    407,363.87x = 562,628.71 × 268,284.20
  4. Step 4: Simplify right side
    407,363.87x = 150,944,392,991.45
  5. Step 5: Solve for x
    x = 150,944,392,991.45/407,363.87
  6. Step 6: Final answer
    x = 370,539.48

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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.