Home / 683,612.72-1,025,421.60-210,294.80

Finding the Fourth Proportional to 683,612.72, 1,025,421.60 and 210,294.80

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Solution

The fourth proportional to 683,612.72, 1,025,421.60 and 210,294.80 is: 315,442.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,612.72 : 1,025,421.60 = 210,294.80 : x
  2. Step 2: Convert to fraction form
    683,612.72/1,025,421.60 = 210,294.80/x
  3. Step 3: Cross multiply
    683,612.72x = 1,025,421.60 × 210,294.80
  4. Step 4: Simplify right side
    683,612.72x = 215,640,830,287.68
  5. Step 5: Solve for x
    x = 215,640,830,287.68/683,612.72
  6. Step 6: Final answer
    x = 315,442.98

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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.