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Finding the Fourth Proportional to 658,215.63, 986,577.03 and 302,494.55

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Solution

The fourth proportional to 658,215.63, 986,577.03 and 302,494.55 is: 453,398.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,215.63 : 986,577.03 = 302,494.55 : x
  2. Step 2: Convert to fraction form
    658,215.63/986,577.03 = 302,494.55/x
  3. Step 3: Cross multiply
    658,215.63x = 986,577.03 × 302,494.55
  4. Step 4: Simplify right side
    658,215.63x = 298,434,169,797.30
  5. Step 5: Solve for x
    x = 298,434,169,797.30/658,215.63
  6. Step 6: Final answer
    x = 453,398.79

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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.