Home / 642,787.18-964,246.41-222,008.38

Finding the Fourth Proportional to 642,787.18, 964,246.41 and 222,008.38

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Solution

The fourth proportional to 642,787.18, 964,246.41 and 222,008.38 is: 333,035.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,787.18 : 964,246.41 = 222,008.38 : x
  2. Step 2: Convert to fraction form
    642,787.18/964,246.41 = 222,008.38/x
  3. Step 3: Cross multiply
    642,787.18x = 964,246.41 × 222,008.38
  4. Step 4: Simplify right side
    642,787.18x = 214,070,780,994.30
  5. Step 5: Solve for x
    x = 214,070,780,994.30/642,787.18
  6. Step 6: Final answer
    x = 333,035.24

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1.5x scale

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.