Home / 791,743.28-1,093,513.74-521,019.77

Finding the Fourth Proportional to 791,743.28, 1,093,513.74 and 521,019.77

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Solution

The fourth proportional to 791,743.28, 1,093,513.74 and 521,019.77 is: 719,604.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,743.28 : 1,093,513.74 = 521,019.77 : x
  2. Step 2: Convert to fraction form
    791,743.28/1,093,513.74 = 521,019.77/x
  3. Step 3: Cross multiply
    791,743.28x = 1,093,513.74 × 521,019.77
  4. Step 4: Simplify right side
    791,743.28x = 569,742,269,885.25
  5. Step 5: Solve for x
    x = 569,742,269,885.25/791,743.28
  6. Step 6: Final answer
    x = 719,604.81

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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.