Home / 850,716.54-1,276,664.16-338,329.17

Finding the Fourth Proportional to 850,716.54, 1,276,664.16 and 338,329.17

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Solution

The fourth proportional to 850,716.54, 1,276,664.16 and 338,329.17 is: 507,728.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,716.54 : 1,276,664.16 = 338,329.17 : x
  2. Step 2: Convert to fraction form
    850,716.54/1,276,664.16 = 338,329.17/x
  3. Step 3: Cross multiply
    850,716.54x = 1,276,664.16 × 338,329.17
  4. Step 4: Simplify right side
    850,716.54x = 431,932,725,621.55
  5. Step 5: Solve for x
    x = 431,932,725,621.55/850,716.54
  6. Step 6: Final answer
    x = 507,728.14

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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.