Home / 519,644.08-779,548.20-220,126.60

Finding the Fourth Proportional to 519,644.08, 779,548.20 and 220,126.60

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Solution

The fourth proportional to 519,644.08, 779,548.20 and 220,126.60 is: 330,224.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,644.08 : 779,548.20 = 220,126.60 : x
  2. Step 2: Convert to fraction form
    519,644.08/779,548.20 = 220,126.60/x
  3. Step 3: Cross multiply
    519,644.08x = 779,548.20 × 220,126.60
  4. Step 4: Simplify right side
    519,644.08x = 171,599,294,802.12
  5. Step 5: Solve for x
    x = 171,599,294,802.12/519,644.08
  6. Step 6: Final answer
    x = 330,224.67

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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.