Home / 909,208.45-1,363,763.58-278,122.33

Finding the Fourth Proportional to 909,208.45, 1,363,763.58 and 278,122.33

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Solution

The fourth proportional to 909,208.45, 1,363,763.58 and 278,122.33 is: 417,168.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,208.45 : 1,363,763.58 = 278,122.33 : x
  2. Step 2: Convert to fraction form
    909,208.45/1,363,763.58 = 278,122.33/x
  3. Step 3: Cross multiply
    909,208.45x = 1,363,763.58 × 278,122.33
  4. Step 4: Simplify right side
    909,208.45x = 379,293,104,438.74
  5. Step 5: Solve for x
    x = 379,293,104,438.74/909,208.45
  6. Step 6: Final answer
    x = 417,168.48

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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.