Home / 948,539.42-1,422,811.55-387,573.92

Finding the Fourth Proportional to 948,539.42, 1,422,811.55 and 387,573.92

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Solution

The fourth proportional to 948,539.42, 1,422,811.55 and 387,573.92 is: 581,361.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,539.42 : 1,422,811.55 = 387,573.92 : x
  2. Step 2: Convert to fraction form
    948,539.42/1,422,811.55 = 387,573.92/x
  3. Step 3: Cross multiply
    948,539.42x = 1,422,811.55 × 387,573.92
  4. Step 4: Simplify right side
    948,539.42x = 551,444,643,709.65
  5. Step 5: Solve for x
    x = 551,444,643,709.65/948,539.42
  6. Step 6: Final answer
    x = 581,361.87

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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.