Home / 828,295.38-1,143,049.54-465,722.37

Finding the Fourth Proportional to 828,295.38, 1,143,049.54 and 465,722.37

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Solution

The fourth proportional to 828,295.38, 1,143,049.54 and 465,722.37 is: 642,697.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,295.38 : 1,143,049.54 = 465,722.37 : x
  2. Step 2: Convert to fraction form
    828,295.38/1,143,049.54 = 465,722.37/x
  3. Step 3: Cross multiply
    828,295.38x = 1,143,049.54 × 465,722.37
  4. Step 4: Simplify right side
    828,295.38x = 532,343,740,796.21
  5. Step 5: Solve for x
    x = 532,343,740,796.21/828,295.38
  6. Step 6: Final answer
    x = 642,697.95

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1.5x scale

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.