Home / 654,245.92-980,787.26-254,794.40

Finding the Fourth Proportional to 654,245.92, 980,787.26 and 254,794.40

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Solution

The fourth proportional to 654,245.92, 980,787.26 and 254,794.40 is: 381,965.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,245.92 : 980,787.26 = 254,794.40 : x
  2. Step 2: Convert to fraction form
    654,245.92/980,787.26 = 254,794.40/x
  3. Step 3: Cross multiply
    654,245.92x = 980,787.26 × 254,794.40
  4. Step 4: Simplify right side
    654,245.92x = 249,899,101,439.34
  5. Step 5: Solve for x
    x = 249,899,101,439.34/654,245.92
  6. Step 6: Final answer
    x = 381,965.09

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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.