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Finding the Fourth Proportional to 504,628.85, 756,086.40 and 304,528.78

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Solution

The fourth proportional to 504,628.85, 756,086.40 and 304,528.78 is: 456,276.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,628.85 : 756,086.40 = 304,528.78 : x
  2. Step 2: Convert to fraction form
    504,628.85/756,086.40 = 304,528.78/x
  3. Step 3: Cross multiply
    504,628.85x = 756,086.40 × 304,528.78
  4. Step 4: Simplify right side
    504,628.85x = 230,250,068,966.59
  5. Step 5: Solve for x
    x = 230,250,068,966.59/504,628.85
  6. Step 6: Final answer
    x = 456,276.07

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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.