Home / 988,866.72-1,483,441.92-305,806.68

Finding the Fourth Proportional to 988,866.72, 1,483,441.92 and 305,806.68

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Solution

The fourth proportional to 988,866.72, 1,483,441.92 and 305,806.68 is: 458,753.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,866.72 : 1,483,441.92 = 305,806.68 : x
  2. Step 2: Convert to fraction form
    988,866.72/1,483,441.92 = 305,806.68/x
  3. Step 3: Cross multiply
    988,866.72x = 1,483,441.92 × 305,806.68
  4. Step 4: Simplify right side
    988,866.72x = 453,646,448,528.03
  5. Step 5: Solve for x
    x = 453,646,448,528.03/988,866.72
  6. Step 6: Final answer
    x = 458,753.88

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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.