Home / 686,071.63-1,030,049.97-349,338.43

Finding the Fourth Proportional to 686,071.63, 1,030,049.97 and 349,338.43

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Solution

The fourth proportional to 686,071.63, 1,030,049.97 and 349,338.43 is: 524,487.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,071.63 : 1,030,049.97 = 349,338.43 : x
  2. Step 2: Convert to fraction form
    686,071.63/1,030,049.97 = 349,338.43/x
  3. Step 3: Cross multiply
    686,071.63x = 1,030,049.97 × 349,338.43
  4. Step 4: Simplify right side
    686,071.63x = 359,836,039,341.35
  5. Step 5: Solve for x
    x = 359,836,039,341.35/686,071.63
  6. Step 6: Final answer
    x = 524,487.57

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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.