Home / 922,699.35-1,383,633.77-389,946.15

Finding the Fourth Proportional to 922,699.35, 1,383,633.77 and 389,946.15

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Solution

The fourth proportional to 922,699.35, 1,383,633.77 and 389,946.15 is: 584,743.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,699.35 : 1,383,633.77 = 389,946.15 : x
  2. Step 2: Convert to fraction form
    922,699.35/1,383,633.77 = 389,946.15/x
  3. Step 3: Cross multiply
    922,699.35x = 1,383,633.77 × 389,946.15
  4. Step 4: Simplify right side
    922,699.35x = 539,542,659,671.76
  5. Step 5: Solve for x
    x = 539,542,659,671.76/922,699.35
  6. Step 6: Final answer
    x = 584,743.73

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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.