Home / 886,657.01-1,330,172.33-287,571.49

Finding the Fourth Proportional to 886,657.01, 1,330,172.33 and 287,571.49

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Solution

The fourth proportional to 886,657.01, 1,330,172.33 and 287,571.49 is: 431,417.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,657.01 : 1,330,172.33 = 287,571.49 : x
  2. Step 2: Convert to fraction form
    886,657.01/1,330,172.33 = 287,571.49/x
  3. Step 3: Cross multiply
    886,657.01x = 1,330,172.33 × 287,571.49
  4. Step 4: Simplify right side
    886,657.01x = 382,519,634,131.58
  5. Step 5: Solve for x
    x = 382,519,634,131.58/886,657.01
  6. Step 6: Final answer
    x = 431,417.82

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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.