Home / 719,636.13-1,079,457.75-298,912.41

Finding the Fourth Proportional to 719,636.13, 1,079,457.75 and 298,912.41

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Solution

The fourth proportional to 719,636.13, 1,079,457.75 and 298,912.41 is: 448,370.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,636.13 : 1,079,457.75 = 298,912.41 : x
  2. Step 2: Convert to fraction form
    719,636.13/1,079,457.75 = 298,912.41/x
  3. Step 3: Cross multiply
    719,636.13x = 1,079,457.75 × 298,912.41
  4. Step 4: Simplify right side
    719,636.13x = 322,663,317,545.68
  5. Step 5: Solve for x
    x = 322,663,317,545.68/719,636.13
  6. Step 6: Final answer
    x = 448,370.09

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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.