Home / 530,985.36-794,606.40-331,399.20

Finding the Fourth Proportional to 530,985.36, 794,606.40 and 331,399.20

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Solution

The fourth proportional to 530,985.36, 794,606.40 and 331,399.20 is: 495,930.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,985.36 : 794,606.40 = 331,399.20 : x
  2. Step 2: Convert to fraction form
    530,985.36/794,606.40 = 331,399.20/x
  3. Step 3: Cross multiply
    530,985.36x = 794,606.40 × 331,399.20
  4. Step 4: Simplify right side
    530,985.36x = 263,331,925,274.88
  5. Step 5: Solve for x
    x = 263,331,925,274.88/530,985.36
  6. Step 6: Final answer
    x = 495,930.67

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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.