Home / 776,278.35-1,164,023.55-355,193.37

Finding the Fourth Proportional to 776,278.35, 1,164,023.55 and 355,193.37

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Solution

The fourth proportional to 776,278.35, 1,164,023.55 and 355,193.37 is: 532,609.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,278.35 : 1,164,023.55 = 355,193.37 : x
  2. Step 2: Convert to fraction form
    776,278.35/1,164,023.55 = 355,193.37/x
  3. Step 3: Cross multiply
    776,278.35x = 1,164,023.55 × 355,193.37
  4. Step 4: Simplify right side
    776,278.35x = 413,453,447,483.86
  5. Step 5: Solve for x
    x = 413,453,447,483.86/776,278.35
  6. Step 6: Final answer
    x = 532,609.79

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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.