Home / 859,630.80-1,185,950.92-496,988.24

Finding the Fourth Proportional to 859,630.80, 1,185,950.92 and 496,988.24

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Solution

The fourth proportional to 859,630.80, 1,185,950.92 and 496,988.24 is: 685,647.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,630.80 : 1,185,950.92 = 496,988.24 : x
  2. Step 2: Convert to fraction form
    859,630.80/1,185,950.92 = 496,988.24/x
  3. Step 3: Cross multiply
    859,630.80x = 1,185,950.92 × 496,988.24
  4. Step 4: Simplify right side
    859,630.80x = 589,403,660,457.18
  5. Step 5: Solve for x
    x = 589,403,660,457.18/859,630.80
  6. Step 6: Final answer
    x = 685,647.44

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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.