Home / 686,049.57-1,030,016.96-349,316.46

Finding the Fourth Proportional to 686,049.57, 1,030,016.96 and 349,316.46

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Solution

The fourth proportional to 686,049.57, 1,030,016.96 and 349,316.46 is: 524,454.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,049.57 : 1,030,016.96 = 349,316.46 : x
  2. Step 2: Convert to fraction form
    686,049.57/1,030,016.96 = 349,316.46/x
  3. Step 3: Cross multiply
    686,049.57x = 1,030,016.96 × 349,316.46
  4. Step 4: Simplify right side
    686,049.57x = 359,801,876,460.58
  5. Step 5: Solve for x
    x = 359,801,876,460.58/686,049.57
  6. Step 6: Final answer
    x = 524,454.63

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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.