Home / 980,583.08-1,353,131.92-550,934.80

Finding the Fourth Proportional to 980,583.08, 1,353,131.92 and 550,934.80

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Solution

The fourth proportional to 980,583.08, 1,353,131.92 and 550,934.80 is: 760,249.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,583.08 : 1,353,131.92 = 550,934.80 : x
  2. Step 2: Convert to fraction form
    980,583.08/1,353,131.92 = 550,934.80/x
  3. Step 3: Cross multiply
    980,583.08x = 1,353,131.92 × 550,934.80
  4. Step 4: Simplify right side
    980,583.08x = 745,487,463,718.82
  5. Step 5: Solve for x
    x = 745,487,463,718.82/980,583.08
  6. Step 6: Final answer
    x = 760,249.16

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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.