Home / 676,784.10-1,015,402.36-221,396.06

Finding the Fourth Proportional to 676,784.10, 1,015,402.36 and 221,396.06

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Solution

The fourth proportional to 676,784.10, 1,015,402.36 and 221,396.06 is: 332,168.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,784.10 : 1,015,402.36 = 221,396.06 : x
  2. Step 2: Convert to fraction form
    676,784.10/1,015,402.36 = 221,396.06/x
  3. Step 3: Cross multiply
    676,784.10x = 1,015,402.36 × 221,396.06
  4. Step 4: Simplify right side
    676,784.10x = 224,806,081,818.70
  5. Step 5: Solve for x
    x = 224,806,081,818.70/676,784.10
  6. Step 6: Final answer
    x = 332,168.09

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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.