Home / 945,940.04-1,305,424.76-516,247.80

Finding the Fourth Proportional to 945,940.04, 1,305,424.76 and 516,247.80

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Solution

The fourth proportional to 945,940.04, 1,305,424.76 and 516,247.80 is: 712,436.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,940.04 : 1,305,424.76 = 516,247.80 : x
  2. Step 2: Convert to fraction form
    945,940.04/1,305,424.76 = 516,247.80/x
  3. Step 3: Cross multiply
    945,940.04x = 1,305,424.76 × 516,247.80
  4. Step 4: Simplify right side
    945,940.04x = 673,922,660,415.53
  5. Step 5: Solve for x
    x = 673,922,660,415.53/945,940.04
  6. Step 6: Final answer
    x = 712,436.97

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1.5x scale

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.