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Finding the Fourth Proportional to 895.86, 1,237.79 and 796.75

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Solution

The fourth proportional to 895.86, 1,237.79 and 796.75 is: 1,100.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    895.86 : 1,237.79 = 796.75 : x
  2. Step 2: Convert to fraction form
    895.86/1,237.79 = 796.75/x
  3. Step 3: Cross multiply
    895.86x = 1,237.79 × 796.75
  4. Step 4: Simplify right side
    895.86x = 986,209.18
  5. Step 5: Solve for x
    x = 986,209.18/895.86
  6. Step 6: Final answer
    x = 1,100.85

Related Problems

Find fourth proportional to 447.93, 618.90 and 398.38
Half scale
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Double scale
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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.