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Finding the Fourth Proportional to 439,477.52, 606,491.78 and 248,486.81

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Solution

The fourth proportional to 439,477.52, 606,491.78 and 248,486.81 is: 342,919.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,477.52 : 606,491.78 = 248,486.81 : x
  2. Step 2: Convert to fraction form
    439,477.52/606,491.78 = 248,486.81/x
  3. Step 3: Cross multiply
    439,477.52x = 606,491.78 × 248,486.81
  4. Step 4: Simplify right side
    439,477.52x = 150,705,207,703.42
  5. Step 5: Solve for x
    x = 150,705,207,703.42/439,477.52
  6. Step 6: Final answer
    x = 342,919.04

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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.