Home / 689,695.83-1,034,544.31-329,782.00

Finding the Fourth Proportional to 689,695.83, 1,034,544.31 and 329,782.00

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Solution

The fourth proportional to 689,695.83, 1,034,544.31 and 329,782.00 is: 494,673.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,695.83 : 1,034,544.31 = 329,782.00 : x
  2. Step 2: Convert to fraction form
    689,695.83/1,034,544.31 = 329,782.00/x
  3. Step 3: Cross multiply
    689,695.83x = 1,034,544.31 × 329,782.00
  4. Step 4: Simplify right side
    689,695.83x = 341,174,086,467.70
  5. Step 5: Solve for x
    x = 341,174,086,467.70/689,695.83
  6. Step 6: Final answer
    x = 494,673.27

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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.