Home / 739,220.88-1,019,885.88-412,481.06

Finding the Fourth Proportional to 739,220.88, 1,019,885.88 and 412,481.06

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Solution

The fourth proportional to 739,220.88, 1,019,885.88 and 412,481.06 is: 569,090.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,220.88 : 1,019,885.88 = 412,481.06 : x
  2. Step 2: Convert to fraction form
    739,220.88/1,019,885.88 = 412,481.06/x
  3. Step 3: Cross multiply
    739,220.88x = 1,019,885.88 × 412,481.06
  4. Step 4: Simplify right side
    739,220.88x = 420,683,609,133.38
  5. Step 5: Solve for x
    x = 420,683,609,133.38/739,220.88
  6. Step 6: Final answer
    x = 569,090.54

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Double scale
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1.5x scale

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.