Home / 988,736.45-1,483,104.68-456,099.89

Finding the Fourth Proportional to 988,736.45, 1,483,104.68 and 456,099.89

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Solution

The fourth proportional to 988,736.45, 1,483,104.68 and 456,099.89 is: 684,149.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,736.45 : 1,483,104.68 = 456,099.89 : x
  2. Step 2: Convert to fraction form
    988,736.45/1,483,104.68 = 456,099.89/x
  3. Step 3: Cross multiply
    988,736.45x = 1,483,104.68 × 456,099.89
  4. Step 4: Simplify right side
    988,736.45x = 676,443,879,125.99
  5. Step 5: Solve for x
    x = 676,443,879,125.99/988,736.45
  6. Step 6: Final answer
    x = 684,149.84

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1.5x scale

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.