Home / 662,021.60-992,546.40-262,464.80

Finding the Fourth Proportional to 662,021.60, 992,546.40 and 262,464.80

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Solution

The fourth proportional to 662,021.60, 992,546.40 and 262,464.80 is: 393,504.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,021.60 : 992,546.40 = 262,464.80 : x
  2. Step 2: Convert to fraction form
    662,021.60/992,546.40 = 262,464.80/x
  3. Step 3: Cross multiply
    662,021.60x = 992,546.40 × 262,464.80
  4. Step 4: Simplify right side
    662,021.60x = 260,508,492,366.72
  5. Step 5: Solve for x
    x = 260,508,492,366.72/662,021.60
  6. Step 6: Final answer
    x = 393,504.52

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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.