Home / 746,298.22-1,119,441.75-213,819.70

Finding the Fourth Proportional to 746,298.22, 1,119,441.75 and 213,819.70

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Solution

The fourth proportional to 746,298.22, 1,119,441.75 and 213,819.70 is: 320,727.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,298.22 : 1,119,441.75 = 213,819.70 : x
  2. Step 2: Convert to fraction form
    746,298.22/1,119,441.75 = 213,819.70/x
  3. Step 3: Cross multiply
    746,298.22x = 1,119,441.75 × 213,819.70
  4. Step 4: Simplify right side
    746,298.22x = 239,358,699,152.48
  5. Step 5: Solve for x
    x = 239,358,699,152.48/746,298.22
  6. Step 6: Final answer
    x = 320,727.95

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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.