Home / 988,736.95-1,483,105.43-456,100.39

Finding the Fourth Proportional to 988,736.95, 1,483,105.43 and 456,100.39

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Solution

The fourth proportional to 988,736.95, 1,483,105.43 and 456,100.39 is: 684,150.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,736.95 : 1,483,105.43 = 456,100.39 : x
  2. Step 2: Convert to fraction form
    988,736.95/1,483,105.43 = 456,100.39/x
  3. Step 3: Cross multiply
    988,736.95x = 1,483,105.43 × 456,100.39
  4. Step 4: Simplify right side
    988,736.95x = 676,444,965,034.12
  5. Step 5: Solve for x
    x = 676,444,965,034.12/988,736.95
  6. Step 6: Final answer
    x = 684,150.59

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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.