Home / 683,016.20-1,024,514.70-309,038.60

Finding the Fourth Proportional to 683,016.20, 1,024,514.70 and 309,038.60

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Solution

The fourth proportional to 683,016.20, 1,024,514.70 and 309,038.60 is: 463,553.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,016.20 : 1,024,514.70 = 309,038.60 : x
  2. Step 2: Convert to fraction form
    683,016.20/1,024,514.70 = 309,038.60/x
  3. Step 3: Cross multiply
    683,016.20x = 1,024,514.70 × 309,038.60
  4. Step 4: Simplify right side
    683,016.20x = 316,614,588,567.42
  5. Step 5: Solve for x
    x = 316,614,588,567.42/683,016.20
  6. Step 6: Final answer
    x = 463,553.56

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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.