Home / 689,749.47-1,034,675.91-184,299.08

Finding the Fourth Proportional to 689,749.47, 1,034,675.91 and 184,299.08

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Solution

The fourth proportional to 689,749.47, 1,034,675.91 and 184,299.08 is: 276,462.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,749.47 : 1,034,675.91 = 184,299.08 : x
  2. Step 2: Convert to fraction form
    689,749.47/1,034,675.91 = 184,299.08/x
  3. Step 3: Cross multiply
    689,749.47x = 1,034,675.91 × 184,299.08
  4. Step 4: Simplify right side
    689,749.47x = 190,689,813,137.78
  5. Step 5: Solve for x
    x = 190,689,813,137.78/689,749.47
  6. Step 6: Final answer
    x = 276,462.43

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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.