Home / 859,633.30-1,185,954.37-496,990.74

Finding the Fourth Proportional to 859,633.30, 1,185,954.37 and 496,990.74

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Solution

The fourth proportional to 859,633.30, 1,185,954.37 and 496,990.74 is: 685,650.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,633.30 : 1,185,954.37 = 496,990.74 : x
  2. Step 2: Convert to fraction form
    859,633.30/1,185,954.37 = 496,990.74/x
  3. Step 3: Cross multiply
    859,633.30x = 1,185,954.37 × 496,990.74
  4. Step 4: Simplify right side
    859,633.30x = 589,408,339,952.53
  5. Step 5: Solve for x
    x = 589,408,339,952.53/859,633.30
  6. Step 6: Final answer
    x = 685,650.89

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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.