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Finding the Fourth Proportional to 652,286.09, 900,162.24 and 361,903.02

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Solution

The fourth proportional to 652,286.09, 900,162.24 and 361,903.02 is: 499,430.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,286.09 : 900,162.24 = 361,903.02 : x
  2. Step 2: Convert to fraction form
    652,286.09/900,162.24 = 361,903.02/x
  3. Step 3: Cross multiply
    652,286.09x = 900,162.24 × 361,903.02
  4. Step 4: Simplify right side
    652,286.09x = 325,771,433,145.97
  5. Step 5: Solve for x
    x = 325,771,433,145.97/652,286.09
  6. Step 6: Final answer
    x = 499,430.29

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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.