Home / 909,233.42-1,363,800.65-278,147.23

Finding the Fourth Proportional to 909,233.42, 1,363,800.65 and 278,147.23

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Solution

The fourth proportional to 909,233.42, 1,363,800.65 and 278,147.23 is: 417,205.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,233.42 : 1,363,800.65 = 278,147.23 : x
  2. Step 2: Convert to fraction form
    909,233.42/1,363,800.65 = 278,147.23/x
  3. Step 3: Cross multiply
    909,233.42x = 1,363,800.65 × 278,147.23
  4. Step 4: Simplify right side
    909,233.42x = 379,337,368,269.46
  5. Step 5: Solve for x
    x = 379,337,368,269.46/909,233.42
  6. Step 6: Final answer
    x = 417,205.71

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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.