Home / 725,336.28-1,088,188.98-426,069.96

Finding the Fourth Proportional to 725,336.28, 1,088,188.98 and 426,069.96

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Solution

The fourth proportional to 725,336.28, 1,088,188.98 and 426,069.96 is: 639,213.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,336.28 : 1,088,188.98 = 426,069.96 : x
  2. Step 2: Convert to fraction form
    725,336.28/1,088,188.98 = 426,069.96/x
  3. Step 3: Cross multiply
    725,336.28x = 1,088,188.98 × 426,069.96
  4. Step 4: Simplify right side
    725,336.28x = 463,644,635,181.04
  5. Step 5: Solve for x
    x = 463,644,635,181.04/725,336.28
  6. Step 6: Final answer
    x = 639,213.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.