Home / 825,354.21-1,138,883.59-481,104.01

Finding the Fourth Proportional to 825,354.21, 1,138,883.59 and 481,104.01

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Solution

The fourth proportional to 825,354.21, 1,138,883.59 and 481,104.01 is: 663,862.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,354.21 : 1,138,883.59 = 481,104.01 : x
  2. Step 2: Convert to fraction form
    825,354.21/1,138,883.59 = 481,104.01/x
  3. Step 3: Cross multiply
    825,354.21x = 1,138,883.59 × 481,104.01
  4. Step 4: Simplify right side
    825,354.21x = 547,921,462,072.20
  5. Step 5: Solve for x
    x = 547,921,462,072.20/825,354.21
  6. Step 6: Final answer
    x = 663,862.20

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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.