Home / 420,544.08-580,367.16-250,774.56

Finding the Fourth Proportional to 420,544.08, 580,367.16 and 250,774.56

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Solution

The fourth proportional to 420,544.08, 580,367.16 and 250,774.56 is: 346,078.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,544.08 : 580,367.16 = 250,774.56 : x
  2. Step 2: Convert to fraction form
    420,544.08/580,367.16 = 250,774.56/x
  3. Step 3: Cross multiply
    420,544.08x = 580,367.16 × 250,774.56
  4. Step 4: Simplify right side
    420,544.08x = 145,541,319,187.45
  5. Step 5: Solve for x
    x = 145,541,319,187.45/420,544.08
  6. Step 6: Final answer
    x = 346,078.63

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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.