Home / 886,681.88-1,330,209.74-287,596.44

Finding the Fourth Proportional to 886,681.88, 1,330,209.74 and 287,596.44

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Solution

The fourth proportional to 886,681.88, 1,330,209.74 and 287,596.44 is: 431,455.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,681.88 : 1,330,209.74 = 287,596.44 : x
  2. Step 2: Convert to fraction form
    886,681.88/1,330,209.74 = 287,596.44/x
  3. Step 3: Cross multiply
    886,681.88x = 1,330,209.74 × 287,596.44
  4. Step 4: Simplify right side
    886,681.88x = 382,563,585,677.33
  5. Step 5: Solve for x
    x = 382,563,585,677.33/886,681.88
  6. Step 6: Final answer
    x = 431,455.29

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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.