Home / 557,111.88-768,814.38-302,463.09

Finding the Fourth Proportional to 557,111.88, 768,814.38 and 302,463.09

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Solution

The fourth proportional to 557,111.88, 768,814.38 and 302,463.09 is: 417,399.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,111.88 : 768,814.38 = 302,463.09 : x
  2. Step 2: Convert to fraction form
    557,111.88/768,814.38 = 302,463.09/x
  3. Step 3: Cross multiply
    557,111.88x = 768,814.38 × 302,463.09
  4. Step 4: Simplify right side
    557,111.88x = 232,537,973,011.23
  5. Step 5: Solve for x
    x = 232,537,973,011.23/557,111.88
  6. Step 6: Final answer
    x = 417,399.06

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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.