Home / 988,453.09-1,482,712.28-340,022.77

Finding the Fourth Proportional to 988,453.09, 1,482,712.28 and 340,022.77

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Solution

The fourth proportional to 988,453.09, 1,482,712.28 and 340,022.77 is: 510,045.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,453.09 : 1,482,712.28 = 340,022.77 : x
  2. Step 2: Convert to fraction form
    988,453.09/1,482,712.28 = 340,022.77/x
  3. Step 3: Cross multiply
    988,453.09x = 1,482,712.28 × 340,022.77
  4. Step 4: Simplify right side
    988,453.09x = 504,155,936,558.62
  5. Step 5: Solve for x
    x = 504,155,936,558.62/988,453.09
  6. Step 6: Final answer
    x = 510,045.39

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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.