Home / 863,470.56-1,294,421.72-302,198.88

Finding the Fourth Proportional to 863,470.56, 1,294,421.72 and 302,198.88

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Solution

The fourth proportional to 863,470.56, 1,294,421.72 and 302,198.88 is: 453,023.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,470.56 : 1,294,421.72 = 302,198.88 : x
  2. Step 2: Convert to fraction form
    863,470.56/1,294,421.72 = 302,198.88/x
  3. Step 3: Cross multiply
    863,470.56x = 1,294,421.72 × 302,198.88
  4. Step 4: Simplify right side
    863,470.56x = 391,172,794,031.67
  5. Step 5: Solve for x
    x = 391,172,794,031.67/863,470.56
  6. Step 6: Final answer
    x = 453,023.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.