Home / 987,530.09-1,362,791.52-534,821.09

Finding the Fourth Proportional to 987,530.09, 1,362,791.52 and 534,821.09

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Solution

The fourth proportional to 987,530.09, 1,362,791.52 and 534,821.09 is: 738,053.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,530.09 : 1,362,791.52 = 534,821.09 : x
  2. Step 2: Convert to fraction form
    987,530.09/1,362,791.52 = 534,821.09/x
  3. Step 3: Cross multiply
    987,530.09x = 1,362,791.52 × 534,821.09
  4. Step 4: Simplify right side
    987,530.09x = 728,849,639,355.20
  5. Step 5: Solve for x
    x = 728,849,639,355.20/987,530.09
  6. Step 6: Final answer
    x = 738,053.10

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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.