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Finding the Fourth Proportional to 439,484.56, 606,485.34 and 248,504.74

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Solution

The fourth proportional to 439,484.56, 606,485.34 and 248,504.74 is: 342,934.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,484.56 : 606,485.34 = 248,504.74 : x
  2. Step 2: Convert to fraction form
    439,484.56/606,485.34 = 248,504.74/x
  3. Step 3: Cross multiply
    439,484.56x = 606,485.34 × 248,504.74
  4. Step 4: Simplify right side
    439,484.56x = 150,714,481,730.51
  5. Step 5: Solve for x
    x = 150,714,481,730.51/439,484.56
  6. Step 6: Final answer
    x = 342,934.65

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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.