Home / 782,614.23-1,080,034.34-438,464.67

Finding the Fourth Proportional to 782,614.23, 1,080,034.34 and 438,464.67

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Solution

The fourth proportional to 782,614.23, 1,080,034.34 and 438,464.67 is: 605,096.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,614.23 : 1,080,034.34 = 438,464.67 : x
  2. Step 2: Convert to fraction form
    782,614.23/1,080,034.34 = 438,464.67/x
  3. Step 3: Cross multiply
    782,614.23x = 1,080,034.34 × 438,464.67
  4. Step 4: Simplify right side
    782,614.23x = 473,556,898,284.44
  5. Step 5: Solve for x
    x = 473,556,898,284.44/782,614.23
  6. Step 6: Final answer
    x = 605,096.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.