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Finding the Fourth Proportional to 504,901.05, 696,668.27 and 300,970.97

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Solution

The fourth proportional to 504,901.05, 696,668.27 and 300,970.97 is: 415,283.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,901.05 : 696,668.27 = 300,970.97 : x
  2. Step 2: Convert to fraction form
    504,901.05/696,668.27 = 300,970.97/x
  3. Step 3: Cross multiply
    504,901.05x = 696,668.27 × 300,970.97
  4. Step 4: Simplify right side
    504,901.05x = 209,676,925,226.94
  5. Step 5: Solve for x
    x = 209,676,925,226.94/504,901.05
  6. Step 6: Final answer
    x = 415,283.20

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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.