Home / 928,790.81-1,393,187.73-254,881.34

Finding the Fourth Proportional to 928,790.81, 1,393,187.73 and 254,881.34

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Solution

The fourth proportional to 928,790.81, 1,393,187.73 and 254,881.34 is: 382,322.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,790.81 : 1,393,187.73 = 254,881.34 : x
  2. Step 2: Convert to fraction form
    928,790.81/1,393,187.73 = 254,881.34/x
  3. Step 3: Cross multiply
    928,790.81x = 1,393,187.73 × 254,881.34
  4. Step 4: Simplify right side
    928,790.81x = 355,097,555,493.96
  5. Step 5: Solve for x
    x = 355,097,555,493.96/928,790.81
  6. Step 6: Final answer
    x = 382,322.43

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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.