Home / 988,338.43-1,482,627.61-278,366.47

Finding the Fourth Proportional to 988,338.43, 1,482,627.61 and 278,366.47

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Solution

The fourth proportional to 988,338.43, 1,482,627.61 and 278,366.47 is: 417,583.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,338.43 : 1,482,627.61 = 278,366.47 : x
  2. Step 2: Convert to fraction form
    988,338.43/1,482,627.61 = 278,366.47/x
  3. Step 3: Cross multiply
    988,338.43x = 1,482,627.61 × 278,366.47
  4. Step 4: Simplify right side
    988,338.43x = 412,713,814,468.20
  5. Step 5: Solve for x
    x = 412,713,814,468.20/988,338.43
  6. Step 6: Final answer
    x = 417,583.49

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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.