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Finding the Fourth Proportional to 987,633, 1,362,933.54 and 534,924

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Solution

The fourth proportional to 987,633, 1,362,933.54 and 534,924 is: 738,195.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,633 : 1,362,933.54 = 534,924 : x
  2. Step 2: Convert to fraction form
    987,633/1,362,933.54 = 534,924/x
  3. Step 3: Cross multiply
    987,633x = 1,362,933.54 × 534,924
  4. Step 4: Simplify right side
    987,633x = 729,065,860,950.96
  5. Step 5: Solve for x
    x = 729,065,860,950.96/987,633
  6. Step 6: Final answer
    x = 738,195.12

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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.