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Finding the Fourth Proportional to 557,248.74, 768,996.48 and 302,601.75

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Solution

The fourth proportional to 557,248.74, 768,996.48 and 302,601.75 is: 417,586.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,248.74 : 768,996.48 = 302,601.75 : x
  2. Step 2: Convert to fraction form
    557,248.74/768,996.48 = 302,601.75/x
  3. Step 3: Cross multiply
    557,248.74x = 768,996.48 × 302,601.75
  4. Step 4: Simplify right side
    557,248.74x = 232,699,680,591.84
  5. Step 5: Solve for x
    x = 232,699,680,591.84/557,248.74
  6. Step 6: Final answer
    x = 417,586.73

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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.