Home / 819,015.63-1,228,744.89-250,416.83

Finding the Fourth Proportional to 819,015.63, 1,228,744.89 and 250,416.83

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Solution

The fourth proportional to 819,015.63, 1,228,744.89 and 250,416.83 is: 375,692.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,015.63 : 1,228,744.89 = 250,416.83 : x
  2. Step 2: Convert to fraction form
    819,015.63/1,228,744.89 = 250,416.83/x
  3. Step 3: Cross multiply
    819,015.63x = 1,228,744.89 × 250,416.83
  4. Step 4: Simplify right side
    819,015.63x = 307,698,394,088.77
  5. Step 5: Solve for x
    x = 307,698,394,088.77/819,015.63
  6. Step 6: Final answer
    x = 375,692.95

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1.5x scale

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.