Home / 993,687.35-1,371,288.52-540,978.35

Finding the Fourth Proportional to 993,687.35, 1,371,288.52 and 540,978.35

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Solution

The fourth proportional to 993,687.35, 1,371,288.52 and 540,978.35 is: 746,550.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,687.35 : 1,371,288.52 = 540,978.35 : x
  2. Step 2: Convert to fraction form
    993,687.35/1,371,288.52 = 540,978.35/x
  3. Step 3: Cross multiply
    993,687.35x = 1,371,288.52 × 540,978.35
  4. Step 4: Simplify right side
    993,687.35x = 741,837,394,743.32
  5. Step 5: Solve for x
    x = 741,837,394,743.32/993,687.35
  6. Step 6: Final answer
    x = 746,550.11

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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.