Home / 689,302.80-1,033,954.56-216,025.02

Finding the Fourth Proportional to 689,302.80, 1,033,954.56 and 216,025.02

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Solution

The fourth proportional to 689,302.80, 1,033,954.56 and 216,025.02 is: 324,037.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,302.80 : 1,033,954.56 = 216,025.02 : x
  2. Step 2: Convert to fraction form
    689,302.80/1,033,954.56 = 216,025.02/x
  3. Step 3: Cross multiply
    689,302.80x = 1,033,954.56 × 216,025.02
  4. Step 4: Simplify right side
    689,302.80x = 223,360,054,503.09
  5. Step 5: Solve for x
    x = 223,360,054,503.09/689,302.80
  6. Step 6: Final answer
    x = 324,037.64

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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.