Home / 426,004.32-635,517.84-414,421.44

Finding the Fourth Proportional to 426,004.32, 635,517.84 and 414,421.44

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Solution

The fourth proportional to 426,004.32, 635,517.84 and 414,421.44 is: 618,238.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,004.32 : 635,517.84 = 414,421.44 : x
  2. Step 2: Convert to fraction form
    426,004.32/635,517.84 = 414,421.44/x
  3. Step 3: Cross multiply
    426,004.32x = 635,517.84 × 414,421.44
  4. Step 4: Simplify right side
    426,004.32x = 263,372,218,398.49
  5. Step 5: Solve for x
    x = 263,372,218,398.49/426,004.32
  6. Step 6: Final answer
    x = 618,238.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.