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Finding the Fourth Proportional to 652,321.87, 977,209.50 and 449,439.37

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Solution

The fourth proportional to 652,321.87, 977,209.50 and 449,439.37 is: 673,281.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,321.87 : 977,209.50 = 449,439.37 : x
  2. Step 2: Convert to fraction form
    652,321.87/977,209.50 = 449,439.37/x
  3. Step 3: Cross multiply
    652,321.87x = 977,209.50 × 449,439.37
  4. Step 4: Simplify right side
    652,321.87x = 439,196,422,038.02
  5. Step 5: Solve for x
    x = 439,196,422,038.02/652,321.87
  6. Step 6: Final answer
    x = 673,281.77

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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.