Home / 451,860.24-623,583.72-272,977.68

Finding the Fourth Proportional to 451,860.24, 623,583.72 and 272,977.68

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Solution

The fourth proportional to 451,860.24, 623,583.72 and 272,977.68 is: 376,719.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,860.24 : 623,583.72 = 272,977.68 : x
  2. Step 2: Convert to fraction form
    451,860.24/623,583.72 = 272,977.68/x
  3. Step 3: Cross multiply
    451,860.24x = 623,583.72 × 272,977.68
  4. Step 4: Simplify right side
    451,860.24x = 170,224,437,171.37
  5. Step 5: Solve for x
    x = 170,224,437,171.37/451,860.24
  6. Step 6: Final answer
    x = 376,719.22

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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.