Home / 567,339.24-782,917.89-309,218.57

Finding the Fourth Proportional to 567,339.24, 782,917.89 and 309,218.57

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Solution

The fourth proportional to 567,339.24, 782,917.89 and 309,218.57 is: 426,716.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,339.24 : 782,917.89 = 309,218.57 : x
  2. Step 2: Convert to fraction form
    567,339.24/782,917.89 = 309,218.57/x
  3. Step 3: Cross multiply
    567,339.24x = 782,917.89 × 309,218.57
  4. Step 4: Simplify right side
    567,339.24x = 242,092,746,458.63
  5. Step 5: Solve for x
    x = 242,092,746,458.63/567,339.24
  6. Step 6: Final answer
    x = 426,716.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.