Home / 783,971.36-1,082,344.26-493,831.64

Finding the Fourth Proportional to 783,971.36, 1,082,344.26 and 493,831.64

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Solution

The fourth proportional to 783,971.36, 1,082,344.26 and 493,831.64 is: 681,779.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,971.36 : 1,082,344.26 = 493,831.64 : x
  2. Step 2: Convert to fraction form
    783,971.36/1,082,344.26 = 493,831.64/x
  3. Step 3: Cross multiply
    783,971.36x = 1,082,344.26 × 493,831.64
  4. Step 4: Simplify right side
    783,971.36x = 534,495,840,960.39
  5. Step 5: Solve for x
    x = 534,495,840,960.39/783,971.36
  6. Step 6: Final answer
    x = 681,779.81

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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.