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Finding the Fourth Proportional to 1,084.75, 1,497.23 and 619.27

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Solution

The fourth proportional to 1,084.75, 1,497.23 and 619.27 is: 854.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,084.75 : 1,497.23 = 619.27 : x
  2. Step 2: Convert to fraction form
    1,084.75/1,497.23 = 619.27/x
  3. Step 3: Cross multiply
    1,084.75x = 1,497.23 × 619.27
  4. Step 4: Simplify right side
    1,084.75x = 927,186.53
  5. Step 5: Solve for x
    x = 927,186.53/1,084.75
  6. Step 6: Final answer
    x = 854.75

Related Problems

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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.