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Finding the Fourth Proportional to 476,562.88, 657,804.39 and 306,797

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Solution

The fourth proportional to 476,562.88, 657,804.39 and 306,797 is: 423,474.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,562.88 : 657,804.39 = 306,797 : x
  2. Step 2: Convert to fraction form
    476,562.88/657,804.39 = 306,797/x
  3. Step 3: Cross multiply
    476,562.88x = 657,804.39 × 306,797
  4. Step 4: Simplify right side
    476,562.88x = 201,812,413,438.83
  5. Step 5: Solve for x
    x = 201,812,413,438.83/476,562.88
  6. Step 6: Final answer
    x = 423,474.89

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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.