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Finding the Fourth Proportional to 637,886.07, 956,496.87 and 300,836.23

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Solution

The fourth proportional to 637,886.07, 956,496.87 and 300,836.23 is: 451,097.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,886.07 : 956,496.87 = 300,836.23 : x
  2. Step 2: Convert to fraction form
    637,886.07/956,496.87 = 300,836.23/x
  3. Step 3: Cross multiply
    637,886.07x = 956,496.87 × 300,836.23
  4. Step 4: Simplify right side
    637,886.07x = 287,748,909,986.36
  5. Step 5: Solve for x
    x = 287,748,909,986.36/637,886.07
  6. Step 6: Final answer
    x = 451,097.65

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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.