Home / 680,185.35-1,022,119.47-364,868.55

Finding the Fourth Proportional to 680,185.35, 1,022,119.47 and 364,868.55

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Solution

The fourth proportional to 680,185.35, 1,022,119.47 and 364,868.55 is: 548,290.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,185.35 : 1,022,119.47 = 364,868.55 : x
  2. Step 2: Convert to fraction form
    680,185.35/1,022,119.47 = 364,868.55/x
  3. Step 3: Cross multiply
    680,185.35x = 1,022,119.47 × 364,868.55
  4. Step 4: Simplify right side
    680,185.35x = 372,939,248,945.67
  5. Step 5: Solve for x
    x = 372,939,248,945.67/680,185.35
  6. Step 6: Final answer
    x = 548,290.62

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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.