Home / 885,858.93-1,328,741.01-436,131.54

Finding the Fourth Proportional to 885,858.93, 1,328,741.01 and 436,131.54

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Solution

The fourth proportional to 885,858.93, 1,328,741.01 and 436,131.54 is: 654,173.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,858.93 : 1,328,741.01 = 436,131.54 : x
  2. Step 2: Convert to fraction form
    885,858.93/1,328,741.01 = 436,131.54/x
  3. Step 3: Cross multiply
    885,858.93x = 1,328,741.01 × 436,131.54
  4. Step 4: Simplify right side
    885,858.93x = 579,505,862,952.46
  5. Step 5: Solve for x
    x = 579,505,862,952.46/885,858.93
  6. Step 6: Final answer
    x = 654,173.98

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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.