Home / 519,829.40-780,003.30-295,362.20

Finding the Fourth Proportional to 519,829.40, 780,003.30 and 295,362.20

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Solution

The fourth proportional to 519,829.40, 780,003.30 and 295,362.20 is: 443,190.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,829.40 : 780,003.30 = 295,362.20 : x
  2. Step 2: Convert to fraction form
    519,829.40/780,003.30 = 295,362.20/x
  3. Step 3: Cross multiply
    519,829.40x = 780,003.30 × 295,362.20
  4. Step 4: Simplify right side
    519,829.40x = 230,383,490,695.26
  5. Step 5: Solve for x
    x = 230,383,490,695.26/519,829.40
  6. Step 6: Final answer
    x = 443,190.58

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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.