Home / 776,290.86-1,164,042.50-355,205.88

Finding the Fourth Proportional to 776,290.86, 1,164,042.50 and 355,205.88

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Solution

The fourth proportional to 776,290.86, 1,164,042.50 and 355,205.88 is: 532,628.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,290.86 : 1,164,042.50 = 355,205.88 : x
  2. Step 2: Convert to fraction form
    776,290.86/1,164,042.50 = 355,205.88/x
  3. Step 3: Cross multiply
    776,290.86x = 1,164,042.50 × 355,205.88
  4. Step 4: Simplify right side
    776,290.86x = 413,474,738,793.87
  5. Step 5: Solve for x
    x = 413,474,738,793.87/776,290.86
  6. Step 6: Final answer
    x = 532,628.63

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1.5x scale

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.