Home / 803,474.11-1,108,863.14-440,968.04

Finding the Fourth Proportional to 803,474.11, 1,108,863.14 and 440,968.04

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Solution

The fourth proportional to 803,474.11, 1,108,863.14 and 440,968.04 is: 608,573.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,474.11 : 1,108,863.14 = 440,968.04 : x
  2. Step 2: Convert to fraction form
    803,474.11/1,108,863.14 = 440,968.04/x
  3. Step 3: Cross multiply
    803,474.11x = 1,108,863.14 × 440,968.04
  4. Step 4: Simplify right side
    803,474.11x = 488,973,203,269.21
  5. Step 5: Solve for x
    x = 488,973,203,269.21/803,474.11
  6. Step 6: Final answer
    x = 608,573.69

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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.