Home / 725,326.28-1,088,173.95-426,059.93

Finding the Fourth Proportional to 725,326.28, 1,088,173.95 and 426,059.93

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Solution

The fourth proportional to 725,326.28, 1,088,173.95 and 426,059.93 is: 639,198.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,326.28 : 1,088,173.95 = 426,059.93 : x
  2. Step 2: Convert to fraction form
    725,326.28/1,088,173.95 = 426,059.93/x
  3. Step 3: Cross multiply
    725,326.28x = 1,088,173.95 × 426,059.93
  4. Step 4: Simplify right side
    725,326.28x = 463,627,316,964.82
  5. Step 5: Solve for x
    x = 463,627,316,964.82/725,326.28
  6. Step 6: Final answer
    x = 639,198.29

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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.