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Finding the Fourth Proportional to 557,182.55, 768,890.36 and 302,527.91

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Solution

The fourth proportional to 557,182.55, 768,890.36 and 302,527.91 is: 417,476.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,182.55 : 768,890.36 = 302,527.91 : x
  2. Step 2: Convert to fraction form
    557,182.55/768,890.36 = 302,527.91/x
  3. Step 3: Cross multiply
    557,182.55x = 768,890.36 × 302,527.91
  4. Step 4: Simplify right side
    557,182.55x = 232,610,793,629.95
  5. Step 5: Solve for x
    x = 232,610,793,629.95/557,182.55
  6. Step 6: Final answer
    x = 417,476.81

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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.