Home / 759,421.11-1,139,551.92-455,067.57

Finding the Fourth Proportional to 759,421.11, 1,139,551.92 and 455,067.57

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Solution

The fourth proportional to 759,421.11, 1,139,551.92 and 455,067.57 is: 682,853.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,421.11 : 1,139,551.92 = 455,067.57 : x
  2. Step 2: Convert to fraction form
    759,421.11/1,139,551.92 = 455,067.57/x
  3. Step 3: Cross multiply
    759,421.11x = 1,139,551.92 × 455,067.57
  4. Step 4: Simplify right side
    759,421.11x = 518,573,123,123.23
  5. Step 5: Solve for x
    x = 518,573,123,123.23/759,421.11
  6. Step 6: Final answer
    x = 682,853.18

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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.