Home / 862,938.36-1,294,990.74-301,977.72

Finding the Fourth Proportional to 862,938.36, 1,294,990.74 and 301,977.72

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Solution

The fourth proportional to 862,938.36, 1,294,990.74 and 301,977.72 is: 453,170.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,938.36 : 1,294,990.74 = 301,977.72 : x
  2. Step 2: Convert to fraction form
    862,938.36/1,294,990.74 = 301,977.72/x
  3. Step 3: Cross multiply
    862,938.36x = 1,294,990.74 × 301,977.72
  4. Step 4: Simplify right side
    862,938.36x = 391,058,351,086.31
  5. Step 5: Solve for x
    x = 391,058,351,086.31/862,938.36
  6. Step 6: Final answer
    x = 453,170.67

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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.