Home / 821,366.37-1,133,451.77-458,788.50

Finding the Fourth Proportional to 821,366.37, 1,133,451.77 and 458,788.50

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Solution

The fourth proportional to 821,366.37, 1,133,451.77 and 458,788.50 is: 633,109.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,366.37 : 1,133,451.77 = 458,788.50 : x
  2. Step 2: Convert to fraction form
    821,366.37/1,133,451.77 = 458,788.50/x
  3. Step 3: Cross multiply
    821,366.37x = 1,133,451.77 × 458,788.50
  4. Step 4: Simplify right side
    821,366.37x = 520,014,635,086.70
  5. Step 5: Solve for x
    x = 520,014,635,086.70/821,366.37
  6. Step 6: Final answer
    x = 633,109.24

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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.