Home / 609,869.25-841,631.72-355,236.84

Finding the Fourth Proportional to 609,869.25, 841,631.72 and 355,236.84

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Solution

The fourth proportional to 609,869.25, 841,631.72 and 355,236.84 is: 490,233.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,869.25 : 841,631.72 = 355,236.84 : x
  2. Step 2: Convert to fraction form
    609,869.25/841,631.72 = 355,236.84/x
  3. Step 3: Cross multiply
    609,869.25x = 841,631.72 × 355,236.84
  4. Step 4: Simplify right side
    609,869.25x = 298,978,590,880.38
  5. Step 5: Solve for x
    x = 298,978,590,880.38/609,869.25
  6. Step 6: Final answer
    x = 490,233.92

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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.