Home / 543,416.22-749,917.10-339,585.58

Finding the Fourth Proportional to 543,416.22, 749,917.10 and 339,585.58

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Solution

The fourth proportional to 543,416.22, 749,917.10 and 339,585.58 is: 468,629.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,416.22 : 749,917.10 = 339,585.58 : x
  2. Step 2: Convert to fraction form
    543,416.22/749,917.10 = 339,585.58/x
  3. Step 3: Cross multiply
    543,416.22x = 749,917.10 × 339,585.58
  4. Step 4: Simplify right side
    543,416.22x = 254,661,033,355.42
  5. Step 5: Solve for x
    x = 254,661,033,355.42/543,416.22
  6. Step 6: Final answer
    x = 468,629.80

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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.