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Finding the Fourth Proportional to 652,320.87, 977,208 and 449,438.37

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Solution

The fourth proportional to 652,320.87, 977,208 and 449,438.37 is: 673,280.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,320.87 : 977,208 = 449,438.37 : x
  2. Step 2: Convert to fraction form
    652,320.87/977,208 = 449,438.37/x
  3. Step 3: Cross multiply
    652,320.87x = 977,208 × 449,438.37
  4. Step 4: Simplify right side
    652,320.87x = 439,194,770,670.96
  5. Step 5: Solve for x
    x = 439,194,770,670.96/652,320.87
  6. Step 6: Final answer
    x = 673,280.27

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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.