Home / 719,642.09-1,079,466.84-298,918.37

Finding the Fourth Proportional to 719,642.09, 1,079,466.84 and 298,918.37

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Solution

The fourth proportional to 719,642.09, 1,079,466.84 and 298,918.37 is: 448,379.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,642.09 : 1,079,466.84 = 298,918.37 : x
  2. Step 2: Convert to fraction form
    719,642.09/1,079,466.84 = 298,918.37/x
  3. Step 3: Cross multiply
    719,642.09x = 1,079,466.84 × 298,918.37
  4. Step 4: Simplify right side
    719,642.09x = 322,672,462,884.52
  5. Step 5: Solve for x
    x = 322,672,462,884.52/719,642.09
  6. Step 6: Final answer
    x = 448,379.09

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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.