Home / 850.32-1,273.80-561.84

Finding the Fourth Proportional to 850.32, 1,273.80 and 561.84

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Solution

The fourth proportional to 850.32, 1,273.80 and 561.84 is: 841.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    850.32 : 1,273.80 = 561.84 : x
  2. Step 2: Convert to fraction form
    850.32/1,273.80 = 561.84/x
  3. Step 3: Cross multiply
    850.32x = 1,273.80 × 561.84
  4. Step 4: Simplify right side
    850.32x = 715,671.79
  5. Step 5: Solve for x
    x = 715,671.79/850.32
  6. Step 6: Final answer
    x = 841.65

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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.