Home / 683,005.20-1,024,498.20-309,027.60

Finding the Fourth Proportional to 683,005.20, 1,024,498.20 and 309,027.60

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Solution

The fourth proportional to 683,005.20, 1,024,498.20 and 309,027.60 is: 463,537.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,005.20 : 1,024,498.20 = 309,027.60 : x
  2. Step 2: Convert to fraction form
    683,005.20/1,024,498.20 = 309,027.60/x
  3. Step 3: Cross multiply
    683,005.20x = 1,024,498.20 × 309,027.60
  4. Step 4: Simplify right side
    683,005.20x = 316,598,219,950.32
  5. Step 5: Solve for x
    x = 316,598,219,950.32/683,005.20
  6. Step 6: Final answer
    x = 463,537.06

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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.