Home / 628,164.15-867,353.10-482,739.57

Finding the Fourth Proportional to 628,164.15, 867,353.10 and 482,739.57

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Solution

The fourth proportional to 628,164.15, 867,353.10 and 482,739.57 is: 666,554.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,164.15 : 867,353.10 = 482,739.57 : x
  2. Step 2: Convert to fraction form
    628,164.15/867,353.10 = 482,739.57/x
  3. Step 3: Cross multiply
    628,164.15x = 867,353.10 × 482,739.57
  4. Step 4: Simplify right side
    628,164.15x = 418,705,662,532.17
  5. Step 5: Solve for x
    x = 418,705,662,532.17/628,164.15
  6. Step 6: Final answer
    x = 666,554.53

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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.