Home / 945,224.19-1,418,020.83-305,686.80

Finding the Fourth Proportional to 945,224.19, 1,418,020.83 and 305,686.80

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Solution

The fourth proportional to 945,224.19, 1,418,020.83 and 305,686.80 is: 458,589.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,224.19 : 1,418,020.83 = 305,686.80 : x
  2. Step 2: Convert to fraction form
    945,224.19/1,418,020.83 = 305,686.80/x
  3. Step 3: Cross multiply
    945,224.19x = 1,418,020.83 × 305,686.80
  4. Step 4: Simplify right side
    945,224.19x = 433,470,249,856.04
  5. Step 5: Solve for x
    x = 433,470,249,856.04/945,224.19
  6. Step 6: Final answer
    x = 458,589.88

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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.