Home / 831,826.51-1,147,924.04-449,853.29

Finding the Fourth Proportional to 831,826.51, 1,147,924.04 and 449,853.29

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Solution

The fourth proportional to 831,826.51, 1,147,924.04 and 449,853.29 is: 620,799.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,826.51 : 1,147,924.04 = 449,853.29 : x
  2. Step 2: Convert to fraction form
    831,826.51/1,147,924.04 = 449,853.29/x
  3. Step 3: Cross multiply
    831,826.51x = 1,147,924.04 × 449,853.29
  4. Step 4: Simplify right side
    831,826.51x = 516,397,398,075.21
  5. Step 5: Solve for x
    x = 516,397,398,075.21/831,826.51
  6. Step 6: Final answer
    x = 620,799.40

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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.