Home / 763,647.44-1,053,771.81-441,378.41

Finding the Fourth Proportional to 763,647.44, 1,053,771.81 and 441,378.41

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Solution

The fourth proportional to 763,647.44, 1,053,771.81 and 441,378.41 is: 609,066.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,647.44 : 1,053,771.81 = 441,378.41 : x
  2. Step 2: Convert to fraction form
    763,647.44/1,053,771.81 = 441,378.41/x
  3. Step 3: Cross multiply
    763,647.44x = 1,053,771.81 × 441,378.41
  4. Step 4: Simplify right side
    763,647.44x = 465,112,126,000.62
  5. Step 5: Solve for x
    x = 465,112,126,000.62/763,647.44
  6. Step 6: Final answer
    x = 609,066.57

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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.