Home / 628,512.84-942,363.57-268,918.35

Finding the Fourth Proportional to 628,512.84, 942,363.57 and 268,918.35

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Solution

The fourth proportional to 628,512.84, 942,363.57 and 268,918.35 is: 403,203.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,512.84 : 942,363.57 = 268,918.35 : x
  2. Step 2: Convert to fraction form
    628,512.84/942,363.57 = 268,918.35/x
  3. Step 3: Cross multiply
    628,512.84x = 942,363.57 × 268,918.35
  4. Step 4: Simplify right side
    628,512.84x = 253,418,856,344.51
  5. Step 5: Solve for x
    x = 253,418,856,344.51/628,512.84
  6. Step 6: Final answer
    x = 403,203.94

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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.