Home / 389,629.80-584,444.70-296,317.80

Finding the Fourth Proportional to 389,629.80, 584,444.70 and 296,317.80

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Solution

The fourth proportional to 389,629.80, 584,444.70 and 296,317.80 is: 444,476.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,629.80 : 584,444.70 = 296,317.80 : x
  2. Step 2: Convert to fraction form
    389,629.80/584,444.70 = 296,317.80/x
  3. Step 3: Cross multiply
    389,629.80x = 584,444.70 × 296,317.80
  4. Step 4: Simplify right side
    389,629.80x = 173,181,367,725.66
  5. Step 5: Solve for x
    x = 173,181,367,725.66/389,629.80
  6. Step 6: Final answer
    x = 444,476.70

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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.