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Finding the Fourth Proportional to 652,338.88, 977,234.92 and 449,456.32

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Solution

The fourth proportional to 652,338.88, 977,234.92 and 449,456.32 is: 673,307.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,338.88 : 977,234.92 = 449,456.32 : x
  2. Step 2: Convert to fraction form
    652,338.88/977,234.92 = 449,456.32/x
  3. Step 3: Cross multiply
    652,338.88x = 977,234.92 × 449,456.32
  4. Step 4: Simplify right side
    652,338.88x = 439,224,410,918.69
  5. Step 5: Solve for x
    x = 439,224,410,918.69/652,338.88
  6. Step 6: Final answer
    x = 673,307.12

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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.