Home / 896,090.80-1,344,107.40-297,079.60

Finding the Fourth Proportional to 896,090.80, 1,344,107.40 and 297,079.60

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Solution

The fourth proportional to 896,090.80, 1,344,107.40 and 297,079.60 is: 445,609.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,090.80 : 1,344,107.40 = 297,079.60 : x
  2. Step 2: Convert to fraction form
    896,090.80/1,344,107.40 = 297,079.60/x
  3. Step 3: Cross multiply
    896,090.80x = 1,344,107.40 × 297,079.60
  4. Step 4: Simplify right side
    896,090.80x = 399,306,888,749.04
  5. Step 5: Solve for x
    x = 399,306,888,749.04/896,090.80
  6. Step 6: Final answer
    x = 445,609.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.