Home / 594,945.44-820,787.28-380,029.76

Finding the Fourth Proportional to 594,945.44, 820,787.28 and 380,029.76

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Solution

The fourth proportional to 594,945.44, 820,787.28 and 380,029.76 is: 524,289.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,945.44 : 820,787.28 = 380,029.76 : x
  2. Step 2: Convert to fraction form
    594,945.44/820,787.28 = 380,029.76/x
  3. Step 3: Cross multiply
    594,945.44x = 820,787.28 × 380,029.76
  4. Step 4: Simplify right side
    594,945.44x = 311,923,593,029.45
  5. Step 5: Solve for x
    x = 311,923,593,029.45/594,945.44
  6. Step 6: Final answer
    x = 524,289.41

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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.