Home / 725,334.78-1,088,186.73-426,068.46

Finding the Fourth Proportional to 725,334.78, 1,088,186.73 and 426,068.46

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Solution

The fourth proportional to 725,334.78, 1,088,186.73 and 426,068.46 is: 639,211.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,334.78 : 1,088,186.73 = 426,068.46 : x
  2. Step 2: Convert to fraction form
    725,334.78/1,088,186.73 = 426,068.46/x
  3. Step 3: Cross multiply
    725,334.78x = 1,088,186.73 × 426,068.46
  4. Step 4: Simplify right side
    725,334.78x = 463,642,044,243.54
  5. Step 5: Solve for x
    x = 463,642,044,243.54/725,334.78
  6. Step 6: Final answer
    x = 639,211.10

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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.