Home / 828,620.21-1,143,484.62-466,043.97

Finding the Fourth Proportional to 828,620.21, 1,143,484.62 and 466,043.97

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Solution

The fourth proportional to 828,620.21, 1,143,484.62 and 466,043.97 is: 643,134.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,620.21 : 1,143,484.62 = 466,043.97 : x
  2. Step 2: Convert to fraction form
    828,620.21/1,143,484.62 = 466,043.97/x
  3. Step 3: Cross multiply
    828,620.21x = 1,143,484.62 × 466,043.97
  4. Step 4: Simplify right side
    828,620.21x = 532,914,111,938.74
  5. Step 5: Solve for x
    x = 532,914,111,938.74/828,620.21
  6. Step 6: Final answer
    x = 643,134.34

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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.