Home / 905,465.52-1,358,328.69-274,428.54

Finding the Fourth Proportional to 905,465.52, 1,358,328.69 and 274,428.54

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Solution

The fourth proportional to 905,465.52, 1,358,328.69 and 274,428.54 is: 411,682.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,465.52 : 1,358,328.69 = 274,428.54 : x
  2. Step 2: Convert to fraction form
    905,465.52/1,358,328.69 = 274,428.54/x
  3. Step 3: Cross multiply
    905,465.52x = 1,358,328.69 × 274,428.54
  4. Step 4: Simplify right side
    905,465.52x = 372,764,159,236.81
  5. Step 5: Solve for x
    x = 372,764,159,236.81/905,465.52
  6. Step 6: Final answer
    x = 411,682.33

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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.