Home / 464,687.08-641,629.38-357,087.40

Finding the Fourth Proportional to 464,687.08, 641,629.38 and 357,087.40

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Solution

The fourth proportional to 464,687.08, 641,629.38 and 357,087.40 is: 493,058.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,687.08 : 641,629.38 = 357,087.40 : x
  2. Step 2: Convert to fraction form
    464,687.08/641,629.38 = 357,087.40/x
  3. Step 3: Cross multiply
    464,687.08x = 641,629.38 × 357,087.40
  4. Step 4: Simplify right side
    464,687.08x = 229,117,767,067.81
  5. Step 5: Solve for x
    x = 229,117,767,067.81/464,687.08
  6. Step 6: Final answer
    x = 493,058.18

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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.