Home / 864,715.88-1,297,860.93-460,247.65

Finding the Fourth Proportional to 864,715.88, 1,297,860.93 and 460,247.65

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Solution

The fourth proportional to 864,715.88, 1,297,860.93 and 460,247.65 is: 690,790.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,715.88 : 1,297,860.93 = 460,247.65 : x
  2. Step 2: Convert to fraction form
    864,715.88/1,297,860.93 = 460,247.65/x
  3. Step 3: Cross multiply
    864,715.88x = 1,297,860.93 × 460,247.65
  4. Step 4: Simplify right side
    864,715.88x = 597,337,439,814.66
  5. Step 5: Solve for x
    x = 597,337,439,814.66/864,715.88
  6. Step 6: Final answer
    x = 690,790.41

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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.