Home / 403,837.98-557,212.95-276,467.10

Finding the Fourth Proportional to 403,837.98, 557,212.95 and 276,467.10

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Solution

The fourth proportional to 403,837.98, 557,212.95 and 276,467.10 is: 381,467.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,837.98 : 557,212.95 = 276,467.10 : x
  2. Step 2: Convert to fraction form
    403,837.98/557,212.95 = 276,467.10/x
  3. Step 3: Cross multiply
    403,837.98x = 557,212.95 × 276,467.10
  4. Step 4: Simplify right side
    403,837.98x = 154,051,048,368.95
  5. Step 5: Solve for x
    x = 154,051,048,368.95/403,837.98
  6. Step 6: Final answer
    x = 381,467.46

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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.