Home / 902,387.30-1,353,531.11-303,286.59

Finding the Fourth Proportional to 902,387.30, 1,353,531.11 and 303,286.59

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Solution

The fourth proportional to 902,387.30, 1,353,531.11 and 303,286.59 is: 454,913.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,387.30 : 1,353,531.11 = 303,286.59 : x
  2. Step 2: Convert to fraction form
    902,387.30/1,353,531.11 = 303,286.59/x
  3. Step 3: Cross multiply
    902,387.30x = 1,353,531.11 × 303,286.59
  4. Step 4: Simplify right side
    902,387.30x = 410,507,833,294.38
  5. Step 5: Solve for x
    x = 410,507,833,294.38/902,387.30
  6. Step 6: Final answer
    x = 454,913.13

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1.5x scale

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.