Home / 864,847.86-1,297,271.82-629,687.04

Finding the Fourth Proportional to 864,847.86, 1,297,271.82 and 629,687.04

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Solution

The fourth proportional to 864,847.86, 1,297,271.82 and 629,687.04 is: 944,530.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,847.86 : 1,297,271.82 = 629,687.04 : x
  2. Step 2: Convert to fraction form
    864,847.86/1,297,271.82 = 629,687.04/x
  3. Step 3: Cross multiply
    864,847.86x = 1,297,271.82 × 629,687.04
  4. Step 4: Simplify right side
    864,847.86x = 816,875,252,411.21
  5. Step 5: Solve for x
    x = 816,875,252,411.21/864,847.86
  6. Step 6: Final answer
    x = 944,530.58

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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.