Home / 476,485.64-657,559.58-261,623.82

Finding the Fourth Proportional to 476,485.64, 657,559.58 and 261,623.82

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Solution

The fourth proportional to 476,485.64, 657,559.58 and 261,623.82 is: 361,046.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,485.64 : 657,559.58 = 261,623.82 : x
  2. Step 2: Convert to fraction form
    476,485.64/657,559.58 = 261,623.82/x
  3. Step 3: Cross multiply
    476,485.64x = 657,559.58 × 261,623.82
  4. Step 4: Simplify right side
    476,485.64x = 172,033,249,197.20
  5. Step 5: Solve for x
    x = 172,033,249,197.20/476,485.64
  6. Step 6: Final answer
    x = 361,046.03

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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.