Home / 663,124.28-994,880.48-213,836.04

Finding the Fourth Proportional to 663,124.28, 994,880.48 and 213,836.04

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Solution

The fourth proportional to 663,124.28, 994,880.48 and 213,836.04 is: 320,816.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,124.28 : 994,880.48 = 213,836.04 : x
  2. Step 2: Convert to fraction form
    663,124.28/994,880.48 = 213,836.04/x
  3. Step 3: Cross multiply
    663,124.28x = 994,880.48 × 213,836.04
  4. Step 4: Simplify right side
    663,124.28x = 212,741,301,047.32
  5. Step 5: Solve for x
    x = 212,741,301,047.32/663,124.28
  6. Step 6: Final answer
    x = 320,816.64

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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.