Home / 846,283.20-1,268,615.70-313,661.40

Finding the Fourth Proportional to 846,283.20, 1,268,615.70 and 313,661.40

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Solution

The fourth proportional to 846,283.20, 1,268,615.70 and 313,661.40 is: 470,192.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,283.20 : 1,268,615.70 = 313,661.40 : x
  2. Step 2: Convert to fraction form
    846,283.20/1,268,615.70 = 313,661.40/x
  3. Step 3: Cross multiply
    846,283.20x = 1,268,615.70 × 313,661.40
  4. Step 4: Simplify right side
    846,283.20x = 397,915,776,523.98
  5. Step 5: Solve for x
    x = 397,915,776,523.98/846,283.20
  6. Step 6: Final answer
    x = 470,192.22

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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.