Home / 689,006.45-1,033,719.57-352,283.48

Finding the Fourth Proportional to 689,006.45, 1,033,719.57 and 352,283.48

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Solution

The fourth proportional to 689,006.45, 1,033,719.57 and 352,283.48 is: 528,532.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,006.45 : 1,033,719.57 = 352,283.48 : x
  2. Step 2: Convert to fraction form
    689,006.45/1,033,719.57 = 352,283.48/x
  3. Step 3: Cross multiply
    689,006.45x = 1,033,719.57 × 352,283.48
  4. Step 4: Simplify right side
    689,006.45x = 364,162,326,171.55
  5. Step 5: Solve for x
    x = 364,162,326,171.55/689,006.45
  6. Step 6: Final answer
    x = 528,532.53

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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.