Home / 689,576.01-1,034,364.03-190,940.01

Finding the Fourth Proportional to 689,576.01, 1,034,364.03 and 190,940.01

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Solution

The fourth proportional to 689,576.01, 1,034,364.03 and 190,940.01 is: 286,410.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,576.01 : 1,034,364.03 = 190,940.01 : x
  2. Step 2: Convert to fraction form
    689,576.01/1,034,364.03 = 190,940.01/x
  3. Step 3: Cross multiply
    689,576.01x = 1,034,364.03 × 190,940.01
  4. Step 4: Simplify right side
    689,576.01x = 197,501,478,231.84
  5. Step 5: Solve for x
    x = 197,501,478,231.84/689,576.01
  6. Step 6: Final answer
    x = 286,410.02

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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.