Home / 756,255.14-1,133,313.47-419,444.18

Finding the Fourth Proportional to 756,255.14, 1,133,313.47 and 419,444.18

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Solution

The fourth proportional to 756,255.14, 1,133,313.47 and 419,444.18 is: 628,573.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,255.14 : 1,133,313.47 = 419,444.18 : x
  2. Step 2: Convert to fraction form
    756,255.14/1,133,313.47 = 419,444.18/x
  3. Step 3: Cross multiply
    756,255.14x = 1,133,313.47 × 419,444.18
  4. Step 4: Simplify right side
    756,255.14x = 475,361,739,107.11
  5. Step 5: Solve for x
    x = 475,361,739,107.11/756,255.14
  6. Step 6: Final answer
    x = 628,573.23

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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.