Home / 945,245.20-1,418,040.60-384,336.40

Finding the Fourth Proportional to 945,245.20, 1,418,040.60 and 384,336.40

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Solution

The fourth proportional to 945,245.20, 1,418,040.60 and 384,336.40 is: 576,574.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,245.20 : 1,418,040.60 = 384,336.40 : x
  2. Step 2: Convert to fraction form
    945,245.20/1,418,040.60 = 384,336.40/x
  3. Step 3: Cross multiply
    945,245.20x = 1,418,040.60 × 384,336.40
  4. Step 4: Simplify right side
    945,245.20x = 545,004,619,257.84
  5. Step 5: Solve for x
    x = 545,004,619,257.84/945,245.20
  6. Step 6: Final answer
    x = 576,574.86

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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.