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Finding the Fourth Proportional to 602,709.27, 901,905.30 and 521,936.07

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Solution

The fourth proportional to 602,709.27, 901,905.30 and 521,936.07 is: 781,034.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,709.27 : 901,905.30 = 521,936.07 : x
  2. Step 2: Convert to fraction form
    602,709.27/901,905.30 = 521,936.07/x
  3. Step 3: Cross multiply
    602,709.27x = 901,905.30 × 521,936.07
  4. Step 4: Simplify right side
    602,709.27x = 470,736,907,794.17
  5. Step 5: Solve for x
    x = 470,736,907,794.17/602,709.27
  6. Step 6: Final answer
    x = 781,034.79

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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.