Home / 950,684.50-1,311,944.63-520,981.54

Finding the Fourth Proportional to 950,684.50, 1,311,944.63 and 520,981.54

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Solution

The fourth proportional to 950,684.50, 1,311,944.63 and 520,981.54 is: 718,954.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,684.50 : 1,311,944.63 = 520,981.54 : x
  2. Step 2: Convert to fraction form
    950,684.50/1,311,944.63 = 520,981.54/x
  3. Step 3: Cross multiply
    950,684.50x = 1,311,944.63 × 520,981.54
  4. Step 4: Simplify right side
    950,684.50x = 683,498,931,127.22
  5. Step 5: Solve for x
    x = 683,498,931,127.22/950,684.50
  6. Step 6: Final answer
    x = 718,954.53

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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.