Home / 455,824.95-629,038.41-254,620.95

Finding the Fourth Proportional to 455,824.95, 629,038.41 and 254,620.95

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Solution

The fourth proportional to 455,824.95, 629,038.41 and 254,620.95 is: 351,376.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,824.95 : 629,038.41 = 254,620.95 : x
  2. Step 2: Convert to fraction form
    455,824.95/629,038.41 = 254,620.95/x
  3. Step 3: Cross multiply
    455,824.95x = 629,038.41 × 254,620.95
  4. Step 4: Simplify right side
    455,824.95x = 160,166,357,540.69
  5. Step 5: Solve for x
    x = 160,166,357,540.69/455,824.95
  6. Step 6: Final answer
    x = 351,376.90

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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.