Home / 780,709.20-1,170,266.06-443,036.76

Finding the Fourth Proportional to 780,709.20, 1,170,266.06 and 443,036.76

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Solution

The fourth proportional to 780,709.20, 1,170,266.06 and 443,036.76 is: 664,102.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,709.20 : 1,170,266.06 = 443,036.76 : x
  2. Step 2: Convert to fraction form
    780,709.20/1,170,266.06 = 443,036.76/x
  3. Step 3: Cross multiply
    780,709.20x = 1,170,266.06 × 443,036.76
  4. Step 4: Simplify right side
    780,709.20x = 518,470,883,560.37
  5. Step 5: Solve for x
    x = 518,470,883,560.37/780,709.20
  6. Step 6: Final answer
    x = 664,102.44

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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.