Home / 987,259.50-1,362,418.11-534,550.50

Finding the Fourth Proportional to 987,259.50, 1,362,418.11 and 534,550.50

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Solution

The fourth proportional to 987,259.50, 1,362,418.11 and 534,550.50 is: 737,679.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,259.50 : 1,362,418.11 = 534,550.50 : x
  2. Step 2: Convert to fraction form
    987,259.50/1,362,418.11 = 534,550.50/x
  3. Step 3: Cross multiply
    987,259.50x = 1,362,418.11 × 534,550.50
  4. Step 4: Simplify right side
    987,259.50x = 728,281,281,909.56
  5. Step 5: Solve for x
    x = 728,281,281,909.56/987,259.50
  6. Step 6: Final answer
    x = 737,679.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.