Home / 810,201.40-1,118,089.66-447,633.60

Finding the Fourth Proportional to 810,201.40, 1,118,089.66 and 447,633.60

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Solution

The fourth proportional to 810,201.40, 1,118,089.66 and 447,633.60 is: 617,740.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,201.40 : 1,118,089.66 = 447,633.60 : x
  2. Step 2: Convert to fraction form
    810,201.40/1,118,089.66 = 447,633.60/x
  3. Step 3: Cross multiply
    810,201.40x = 1,118,089.66 × 447,633.60
  4. Step 4: Simplify right side
    810,201.40x = 500,494,499,628.58
  5. Step 5: Solve for x
    x = 500,494,499,628.58/810,201.40
  6. Step 6: Final answer
    x = 617,740.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.