Home / 638,427.80-957,204.30-301,629.80

Finding the Fourth Proportional to 638,427.80, 957,204.30 and 301,629.80

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Solution

The fourth proportional to 638,427.80, 957,204.30 and 301,629.80 is: 452,238.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,427.80 : 957,204.30 = 301,629.80 : x
  2. Step 2: Convert to fraction form
    638,427.80/957,204.30 = 301,629.80/x
  3. Step 3: Cross multiply
    638,427.80x = 957,204.30 × 301,629.80
  4. Step 4: Simplify right side
    638,427.80x = 288,721,341,568.14
  5. Step 5: Solve for x
    x = 288,721,341,568.14/638,427.80
  6. Step 6: Final answer
    x = 452,238.05

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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.