Home / 842,592.84-1,264,208.46-505,868.64

Finding the Fourth Proportional to 842,592.84, 1,264,208.46 and 505,868.64

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Solution

The fourth proportional to 842,592.84, 1,264,208.46 and 505,868.64 is: 758,994.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,592.84 : 1,264,208.46 = 505,868.64 : x
  2. Step 2: Convert to fraction form
    842,592.84/1,264,208.46 = 505,868.64/x
  3. Step 3: Cross multiply
    842,592.84x = 1,264,208.46 × 505,868.64
  4. Step 4: Simplify right side
    842,592.84x = 639,523,414,336.70
  5. Step 5: Solve for x
    x = 639,523,414,336.70/842,592.84
  6. Step 6: Final answer
    x = 758,994.60

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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.