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Finding the Fourth Proportional to 652,339.88, 977,236.42 and 449,457.32

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Solution

The fourth proportional to 652,339.88, 977,236.42 and 449,457.32 is: 673,308.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,339.88 : 977,236.42 = 449,457.32 : x
  2. Step 2: Convert to fraction form
    652,339.88/977,236.42 = 449,457.32/x
  3. Step 3: Cross multiply
    652,339.88x = 977,236.42 × 449,457.32
  4. Step 4: Simplify right side
    652,339.88x = 439,226,062,339.59
  5. Step 5: Solve for x
    x = 439,226,062,339.59/652,339.88
  6. Step 6: Final answer
    x = 673,308.62

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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.