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Finding the Fourth Proportional to 1,500,339, 2,250,508.50 and 449,715

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Solution

The fourth proportional to 1,500,339, 2,250,508.50 and 449,715 is: 674,572.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,339 : 2,250,508.50 = 449,715 : x
  2. Step 2: Convert to fraction form
    1,500,339/2,250,508.50 = 449,715/x
  3. Step 3: Cross multiply
    1,500,339x = 2,250,508.50 × 449,715
  4. Step 4: Simplify right side
    1,500,339x = 1,012,087,430,077.50
  5. Step 5: Solve for x
    x = 1,012,087,430,077.50/1,500,339
  6. Step 6: Final answer
    x = 674,572.50

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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.