Home / 397,629.26-549,059.46-368,780.91

Finding the Fourth Proportional to 397,629.26, 549,059.46 and 368,780.91

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Solution

The fourth proportional to 397,629.26, 549,059.46 and 368,780.91 is: 509,224.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,629.26 : 549,059.46 = 368,780.91 : x
  2. Step 2: Convert to fraction form
    397,629.26/549,059.46 = 368,780.91/x
  3. Step 3: Cross multiply
    397,629.26x = 549,059.46 × 368,780.91
  4. Step 4: Simplify right side
    397,629.26x = 202,482,642,713.71
  5. Step 5: Solve for x
    x = 202,482,642,713.71/397,629.26
  6. Step 6: Final answer
    x = 509,224.71

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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.