Home / 455,955.14-683,944.43-216,012.85

Finding the Fourth Proportional to 455,955.14, 683,944.43 and 216,012.85

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Solution

The fourth proportional to 455,955.14, 683,944.43 and 216,012.85 is: 324,024.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,955.14 : 683,944.43 = 216,012.85 : x
  2. Step 2: Convert to fraction form
    455,955.14/683,944.43 = 216,012.85/x
  3. Step 3: Cross multiply
    455,955.14x = 683,944.43 × 216,012.85
  4. Step 4: Simplify right side
    455,955.14x = 147,740,782,776.00
  5. Step 5: Solve for x
    x = 147,740,782,776.00/455,955.14
  6. Step 6: Final answer
    x = 324,024.82

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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.