Home / 450,040.37-621,088.29-268,759.94

Finding the Fourth Proportional to 450,040.37, 621,088.29 and 268,759.94

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Solution

The fourth proportional to 450,040.37, 621,088.29 and 268,759.94 is: 370,908.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,040.37 : 621,088.29 = 268,759.94 : x
  2. Step 2: Convert to fraction form
    450,040.37/621,088.29 = 268,759.94/x
  3. Step 3: Cross multiply
    450,040.37x = 621,088.29 × 268,759.94
  4. Step 4: Simplify right side
    450,040.37x = 166,923,648,449.66
  5. Step 5: Solve for x
    x = 166,923,648,449.66/450,040.37
  6. Step 6: Final answer
    x = 370,908.17

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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.