Home / 753,030.39-1,126,722.33-448,309.97

Finding the Fourth Proportional to 753,030.39, 1,126,722.33 and 448,309.97

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Solution

The fourth proportional to 753,030.39, 1,126,722.33 and 448,309.97 is: 670,784.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,030.39 : 1,126,722.33 = 448,309.97 : x
  2. Step 2: Convert to fraction form
    753,030.39/1,126,722.33 = 448,309.97/x
  3. Step 3: Cross multiply
    753,030.39x = 1,126,722.33 × 448,309.97
  4. Step 4: Simplify right side
    753,030.39x = 505,120,848,327.02
  5. Step 5: Solve for x
    x = 505,120,848,327.02/753,030.39
  6. Step 6: Final answer
    x = 670,784.15

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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.