Home / 846,378.47-1,268,751.22-285,106.79

Finding the Fourth Proportional to 846,378.47, 1,268,751.22 and 285,106.79

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Solution

The fourth proportional to 846,378.47, 1,268,751.22 and 285,106.79 is: 427,385.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,378.47 : 1,268,751.22 = 285,106.79 : x
  2. Step 2: Convert to fraction form
    846,378.47/1,268,751.22 = 285,106.79/x
  3. Step 3: Cross multiply
    846,378.47x = 1,268,751.22 × 285,106.79
  4. Step 4: Simplify right side
    846,378.47x = 361,729,580,586.26
  5. Step 5: Solve for x
    x = 361,729,580,586.26/846,378.47
  6. Step 6: Final answer
    x = 427,385.14

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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.