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Finding the Fourth Proportional to 439,477.56, 606,490.96 and 248,519.52

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Solution

The fourth proportional to 439,477.56, 606,490.96 and 248,519.52 is: 342,963.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,477.56 : 606,490.96 = 248,519.52 : x
  2. Step 2: Convert to fraction form
    439,477.56/606,490.96 = 248,519.52/x
  3. Step 3: Cross multiply
    439,477.56x = 606,490.96 × 248,519.52
  4. Step 4: Simplify right side
    439,477.56x = 150,724,842,263.54
  5. Step 5: Solve for x
    x = 150,724,842,263.54/439,477.56
  6. Step 6: Final answer
    x = 342,963.68

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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.