Home / 439,435.20-606,458.40-248,482.56

Finding the Fourth Proportional to 439,435.20, 606,458.40 and 248,482.56

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Solution

The fourth proportional to 439,435.20, 606,458.40 and 248,482.56 is: 342,927.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,435.20 : 606,458.40 = 248,482.56 : x
  2. Step 2: Convert to fraction form
    439,435.20/606,458.40 = 248,482.56/x
  3. Step 3: Cross multiply
    439,435.20x = 606,458.40 × 248,482.56
  4. Step 4: Simplify right side
    439,435.20x = 150,694,335,765.50
  5. Step 5: Solve for x
    x = 150,694,335,765.50/439,435.20
  6. Step 6: Final answer
    x = 342,927.32

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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.