Home / 797,662.40-1,100,577.12-487,485.86

Finding the Fourth Proportional to 797,662.40, 1,100,577.12 and 487,485.86

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Solution

The fourth proportional to 797,662.40, 1,100,577.12 and 487,485.86 is: 672,610.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,662.40 : 1,100,577.12 = 487,485.86 : x
  2. Step 2: Convert to fraction form
    797,662.40/1,100,577.12 = 487,485.86/x
  3. Step 3: Cross multiply
    797,662.40x = 1,100,577.12 × 487,485.86
  4. Step 4: Simplify right side
    797,662.40x = 536,515,783,839.52
  5. Step 5: Solve for x
    x = 536,515,783,839.52/797,662.40
  6. Step 6: Final answer
    x = 672,610.10

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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.