Home / 848,803.46-1,273,288.41-309,206.43

Finding the Fourth Proportional to 848,803.46, 1,273,288.41 and 309,206.43

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Solution

The fourth proportional to 848,803.46, 1,273,288.41 and 309,206.43 is: 463,839.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,803.46 : 1,273,288.41 = 309,206.43 : x
  2. Step 2: Convert to fraction form
    848,803.46/1,273,288.41 = 309,206.43/x
  3. Step 3: Cross multiply
    848,803.46x = 1,273,288.41 × 309,206.43
  4. Step 4: Simplify right side
    848,803.46x = 393,708,963,616.48
  5. Step 5: Solve for x
    x = 393,708,963,616.48/848,803.46
  6. Step 6: Final answer
    x = 463,839.96

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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.