Home / 988,232.43-1,482,373.25-278,255.67

Finding the Fourth Proportional to 988,232.43, 1,482,373.25 and 278,255.67

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Solution

The fourth proportional to 988,232.43, 1,482,373.25 and 278,255.67 is: 417,390.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,232.43 : 1,482,373.25 = 278,255.67 : x
  2. Step 2: Convert to fraction form
    988,232.43/1,482,373.25 = 278,255.67/x
  3. Step 3: Cross multiply
    988,232.43x = 1,482,373.25 × 278,255.67
  4. Step 4: Simplify right side
    988,232.43x = 412,478,760,477.55
  5. Step 5: Solve for x
    x = 412,478,760,477.55/988,232.43
  6. Step 6: Final answer
    x = 417,390.43

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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.