Home / 456,423.35-629,711.25-262,826.89

Finding the Fourth Proportional to 456,423.35, 629,711.25 and 262,826.89

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Solution

The fourth proportional to 456,423.35, 629,711.25 and 262,826.89 is: 362,613.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,423.35 : 629,711.25 = 262,826.89 : x
  2. Step 2: Convert to fraction form
    456,423.35/629,711.25 = 262,826.89/x
  3. Step 3: Cross multiply
    456,423.35x = 629,711.25 × 262,826.89
  4. Step 4: Simplify right side
    456,423.35x = 165,505,048,869.97
  5. Step 5: Solve for x
    x = 165,505,048,869.97/456,423.35
  6. Step 6: Final answer
    x = 362,613.02

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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.