Home / 628,442.94-942,812.04-207,718.83

Finding the Fourth Proportional to 628,442.94, 942,812.04 and 207,718.83

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Solution

The fourth proportional to 628,442.94, 942,812.04 and 207,718.83 is: 311,627.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,442.94 : 942,812.04 = 207,718.83 : x
  2. Step 2: Convert to fraction form
    628,442.94/942,812.04 = 207,718.83/x
  3. Step 3: Cross multiply
    628,442.94x = 942,812.04 × 207,718.83
  4. Step 4: Simplify right side
    628,442.94x = 195,839,813,858.71
  5. Step 5: Solve for x
    x = 195,839,813,858.71/628,442.94
  6. Step 6: Final answer
    x = 311,627.04

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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.