Home / 520,027.10-779,983.05-146,087.90

Finding the Fourth Proportional to 520,027.10, 779,983.05 and 146,087.90

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Solution

The fourth proportional to 520,027.10, 779,983.05 and 146,087.90 is: 219,115.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,027.10 : 779,983.05 = 146,087.90 : x
  2. Step 2: Convert to fraction form
    520,027.10/779,983.05 = 146,087.90/x
  3. Step 3: Cross multiply
    520,027.10x = 779,983.05 × 146,087.90
  4. Step 4: Simplify right side
    520,027.10x = 113,946,085,810.10
  5. Step 5: Solve for x
    x = 113,946,085,810.10/520,027.10
  6. Step 6: Final answer
    x = 219,115.67

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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.