Home / 725,335.78-1,088,188.23-426,069.46

Finding the Fourth Proportional to 725,335.78, 1,088,188.23 and 426,069.46

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Solution

The fourth proportional to 725,335.78, 1,088,188.23 and 426,069.46 is: 639,212.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,335.78 : 1,088,188.23 = 426,069.46 : x
  2. Step 2: Convert to fraction form
    725,335.78/1,088,188.23 = 426,069.46/x
  3. Step 3: Cross multiply
    725,335.78x = 1,088,188.23 × 426,069.46
  4. Step 4: Simplify right side
    725,335.78x = 463,643,771,534.46
  5. Step 5: Solve for x
    x = 463,643,771,534.46/725,335.78
  6. Step 6: Final answer
    x = 639,212.60

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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.