Home / 683,279.90-1,025,211.45-328,111.10

Finding the Fourth Proportional to 683,279.90, 1,025,211.45 and 328,111.10

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Solution

The fourth proportional to 683,279.90, 1,025,211.45 and 328,111.10 is: 492,306.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,279.90 : 1,025,211.45 = 328,111.10 : x
  2. Step 2: Convert to fraction form
    683,279.90/1,025,211.45 = 328,111.10/x
  3. Step 3: Cross multiply
    683,279.90x = 1,025,211.45 × 328,111.10
  4. Step 4: Simplify right side
    683,279.90x = 336,383,256,592.10
  5. Step 5: Solve for x
    x = 336,383,256,592.10/683,279.90
  6. Step 6: Final answer
    x = 492,306.68

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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.