Home / 637,926.03-879,126.62-456,322.56

Finding the Fourth Proportional to 637,926.03, 879,126.62 and 456,322.56

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Solution

The fourth proportional to 637,926.03, 879,126.62 and 456,322.56 is: 628,858.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,926.03 : 879,126.62 = 456,322.56 : x
  2. Step 2: Convert to fraction form
    637,926.03/879,126.62 = 456,322.56/x
  3. Step 3: Cross multiply
    637,926.03x = 879,126.62 × 456,322.56
  4. Step 4: Simplify right side
    637,926.03x = 401,165,309,169.30
  5. Step 5: Solve for x
    x = 401,165,309,169.30/637,926.03
  6. Step 6: Final answer
    x = 628,858.66

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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.