Home / 899,964.39-1,241,950.97-492,066.51

Finding the Fourth Proportional to 899,964.39, 1,241,950.97 and 492,066.51

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Solution

The fourth proportional to 899,964.39, 1,241,950.97 and 492,066.51 is: 679,051.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,964.39 : 1,241,950.97 = 492,066.51 : x
  2. Step 2: Convert to fraction form
    899,964.39/1,241,950.97 = 492,066.51/x
  3. Step 3: Cross multiply
    899,964.39x = 1,241,950.97 × 492,066.51
  4. Step 4: Simplify right side
    899,964.39x = 611,122,479,399.02
  5. Step 5: Solve for x
    x = 611,122,479,399.02/899,964.39
  6. Step 6: Final answer
    x = 679,051.84

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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.