Home / 909,236.11-1,363,804.67-278,149.92

Finding the Fourth Proportional to 909,236.11, 1,363,804.67 and 278,149.92

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Solution

The fourth proportional to 909,236.11, 1,363,804.67 and 278,149.92 is: 417,209.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,236.11 : 1,363,804.67 = 278,149.92 : x
  2. Step 2: Convert to fraction form
    909,236.11/1,363,804.67 = 278,149.92/x
  3. Step 3: Cross multiply
    909,236.11x = 1,363,804.67 × 278,149.92
  4. Step 4: Simplify right side
    909,236.11x = 379,342,151,646.35
  5. Step 5: Solve for x
    x = 379,342,151,646.35/909,236.11
  6. Step 6: Final answer
    x = 417,209.73

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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.