Home / 930,126.33-1,283,964.35-628,728.57

Finding the Fourth Proportional to 930,126.33, 1,283,964.35 and 628,728.57

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Solution

The fourth proportional to 930,126.33, 1,283,964.35 and 628,728.57 is: 867,909.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,126.33 : 1,283,964.35 = 628,728.57 : x
  2. Step 2: Convert to fraction form
    930,126.33/1,283,964.35 = 628,728.57/x
  3. Step 3: Cross multiply
    930,126.33x = 1,283,964.35 × 628,728.57
  4. Step 4: Simplify right side
    930,126.33x = 807,265,066,562.84
  5. Step 5: Solve for x
    x = 807,265,066,562.84/930,126.33
  6. Step 6: Final answer
    x = 867,909.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.