Home / 993,451.74-1,490,399.80-362,365.55

Finding the Fourth Proportional to 993,451.74, 1,490,399.80 and 362,365.55

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Solution

The fourth proportional to 993,451.74, 1,490,399.80 and 362,365.55 is: 543,629.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,451.74 : 1,490,399.80 = 362,365.55 : x
  2. Step 2: Convert to fraction form
    993,451.74/1,490,399.80 = 362,365.55/x
  3. Step 3: Cross multiply
    993,451.74x = 1,490,399.80 × 362,365.55
  4. Step 4: Simplify right side
    993,451.74x = 540,069,540,477.98
  5. Step 5: Solve for x
    x = 540,069,540,477.98/993,451.74
  6. Step 6: Final answer
    x = 543,629.37

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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.