Home / 928,724.84-1,393,088.78-254,815.37

Finding the Fourth Proportional to 928,724.84, 1,393,088.78 and 254,815.37

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Solution

The fourth proportional to 928,724.84, 1,393,088.78 and 254,815.37 is: 382,223.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,724.84 : 1,393,088.78 = 254,815.37 : x
  2. Step 2: Convert to fraction form
    928,724.84/1,393,088.78 = 254,815.37/x
  3. Step 3: Cross multiply
    928,724.84x = 1,393,088.78 × 254,815.37
  4. Step 4: Simplify right side
    928,724.84x = 354,980,430,380.89
  5. Step 5: Solve for x
    x = 354,980,430,380.89/928,724.84
  6. Step 6: Final answer
    x = 382,223.47

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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.