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Finding the Fourth Proportional to 455,536.30, 682,320.30 and 376,804.30

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Solution

The fourth proportional to 455,536.30, 682,320.30 and 376,804.30 is: 564,392.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,536.30 : 682,320.30 = 376,804.30 : x
  2. Step 2: Convert to fraction form
    455,536.30/682,320.30 = 376,804.30/x
  3. Step 3: Cross multiply
    455,536.30x = 682,320.30 × 376,804.30
  4. Step 4: Simplify right side
    455,536.30x = 257,101,223,017.29
  5. Step 5: Solve for x
    x = 257,101,223,017.29/455,536.30
  6. Step 6: Final answer
    x = 564,392.39

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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.