Home / 909,233.53-1,363,800.84-278,147.34

Finding the Fourth Proportional to 909,233.53, 1,363,800.84 and 278,147.34

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Solution

The fourth proportional to 909,233.53, 1,363,800.84 and 278,147.34 is: 417,205.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,233.53 : 1,363,800.84 = 278,147.34 : x
  2. Step 2: Convert to fraction form
    909,233.53/1,363,800.84 = 278,147.34/x
  3. Step 3: Cross multiply
    909,233.53x = 1,363,800.84 × 278,147.34
  4. Step 4: Simplify right side
    909,233.53x = 379,337,575,935.77
  5. Step 5: Solve for x
    x = 379,337,575,935.77/909,233.53
  6. Step 6: Final answer
    x = 417,205.88

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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.