Home / 692,749.36-1,039,099.44-266,175.28

Finding the Fourth Proportional to 692,749.36, 1,039,099.44 and 266,175.28

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Solution

The fourth proportional to 692,749.36, 1,039,099.44 and 266,175.28 is: 399,253.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,749.36 : 1,039,099.44 = 266,175.28 : x
  2. Step 2: Convert to fraction form
    692,749.36/1,039,099.44 = 266,175.28/x
  3. Step 3: Cross multiply
    692,749.36x = 1,039,099.44 × 266,175.28
  4. Step 4: Simplify right side
    692,749.36x = 276,582,584,389.84
  5. Step 5: Solve for x
    x = 276,582,584,389.84/692,749.36
  6. Step 6: Final answer
    x = 399,253.47

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Similar ratio
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1.5x scale

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.