Home / 770,562.99-1,063,489.74-443,813.20

Finding the Fourth Proportional to 770,562.99, 1,063,489.74 and 443,813.20

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Solution

The fourth proportional to 770,562.99, 1,063,489.74 and 443,813.20 is: 612,527.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,562.99 : 1,063,489.74 = 443,813.20 : x
  2. Step 2: Convert to fraction form
    770,562.99/1,063,489.74 = 443,813.20/x
  3. Step 3: Cross multiply
    770,562.99x = 1,063,489.74 × 443,813.20
  4. Step 4: Simplify right side
    770,562.99x = 471,990,782,017.84
  5. Step 5: Solve for x
    x = 471,990,782,017.84/770,562.99
  6. Step 6: Final answer
    x = 612,527.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.