Home / 456,392.64-629,845.72-262,829.76

Finding the Fourth Proportional to 456,392.64, 629,845.72 and 262,829.76

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Solution

The fourth proportional to 456,392.64, 629,845.72 and 262,829.76 is: 362,718.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,392.64 : 629,845.72 = 262,829.76 : x
  2. Step 2: Convert to fraction form
    456,392.64/629,845.72 = 262,829.76/x
  3. Step 3: Cross multiply
    456,392.64x = 629,845.72 × 262,829.76
  4. Step 4: Simplify right side
    456,392.64x = 165,542,199,424.63
  5. Step 5: Solve for x
    x = 165,542,199,424.63/456,392.64
  6. Step 6: Final answer
    x = 362,718.82

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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.