Home / 768,181.20-1,152,271.80-531,790.80

Finding the Fourth Proportional to 768,181.20, 1,152,271.80 and 531,790.80

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Solution

The fourth proportional to 768,181.20, 1,152,271.80 and 531,790.80 is: 797,686.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,181.20 : 1,152,271.80 = 531,790.80 : x
  2. Step 2: Convert to fraction form
    768,181.20/1,152,271.80 = 531,790.80/x
  3. Step 3: Cross multiply
    768,181.20x = 1,152,271.80 × 531,790.80
  4. Step 4: Simplify right side
    768,181.20x = 612,767,542,339.44
  5. Step 5: Solve for x
    x = 612,767,542,339.44/768,181.20
  6. Step 6: Final answer
    x = 797,686.20

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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.