Home / 456,427.21-629,716.57-262,830.76

Finding the Fourth Proportional to 456,427.21, 629,716.57 and 262,830.76

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Solution

The fourth proportional to 456,427.21, 629,716.57 and 262,830.76 is: 362,618.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,427.21 : 629,716.57 = 262,830.76 : x
  2. Step 2: Convert to fraction form
    456,427.21/629,716.57 = 262,830.76/x
  3. Step 3: Cross multiply
    456,427.21x = 629,716.57 × 262,830.76
  4. Step 4: Simplify right side
    456,427.21x = 165,508,884,677.69
  5. Step 5: Solve for x
    x = 165,508,884,677.69/456,427.21
  6. Step 6: Final answer
    x = 362,618.36

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1.5x scale

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.