Home / 988,051.41-1,363,511.86-535,342.41

Finding the Fourth Proportional to 988,051.41, 1,363,511.86 and 535,342.41

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Solution

The fourth proportional to 988,051.41, 1,363,511.86 and 535,342.41 is: 738,773.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,051.41 : 1,363,511.86 = 535,342.41 : x
  2. Step 2: Convert to fraction form
    988,051.41/1,363,511.86 = 535,342.41/x
  3. Step 3: Cross multiply
    988,051.41x = 1,363,511.86 × 535,342.41
  4. Step 4: Simplify right side
    988,051.41x = 729,945,722,519.27
  5. Step 5: Solve for x
    x = 729,945,722,519.27/988,051.41
  6. Step 6: Final answer
    x = 738,773.02

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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.