Home / 988,519.96-1,364,303.28-625,976.92

Finding the Fourth Proportional to 988,519.96, 1,364,303.28 and 625,976.92

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Solution

The fourth proportional to 988,519.96, 1,364,303.28 and 625,976.92 is: 863,940.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,519.96 : 1,364,303.28 = 625,976.92 : x
  2. Step 2: Convert to fraction form
    988,519.96/1,364,303.28 = 625,976.92/x
  3. Step 3: Cross multiply
    988,519.96x = 1,364,303.28 × 625,976.92
  4. Step 4: Simplify right side
    988,519.96x = 854,022,365,160.30
  5. Step 5: Solve for x
    x = 854,022,365,160.30/988,519.96
  6. Step 6: Final answer
    x = 863,940.44

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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.