Home / 436,764.98-602,735.40-245,778.54

Finding the Fourth Proportional to 436,764.98, 602,735.40 and 245,778.54

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Solution

The fourth proportional to 436,764.98, 602,735.40 and 245,778.54 is: 339,174.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,764.98 : 602,735.40 = 245,778.54 : x
  2. Step 2: Convert to fraction form
    436,764.98/602,735.40 = 245,778.54/x
  3. Step 3: Cross multiply
    436,764.98x = 602,735.40 × 245,778.54
  4. Step 4: Simplify right side
    436,764.98x = 148,139,426,618.32
  5. Step 5: Solve for x
    x = 148,139,426,618.32/436,764.98
  6. Step 6: Final answer
    x = 339,174.24

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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.