Home / 744,688.76-1,027,674.96-405,159.44

Finding the Fourth Proportional to 744,688.76, 1,027,674.96 and 405,159.44

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Solution

The fourth proportional to 744,688.76, 1,027,674.96 and 405,159.44 is: 559,122.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,688.76 : 1,027,674.96 = 405,159.44 : x
  2. Step 2: Convert to fraction form
    744,688.76/1,027,674.96 = 405,159.44/x
  3. Step 3: Cross multiply
    744,688.76x = 1,027,674.96 × 405,159.44
  4. Step 4: Simplify right side
    744,688.76x = 416,372,211,295.62
  5. Step 5: Solve for x
    x = 416,372,211,295.62/744,688.76
  6. Step 6: Final answer
    x = 559,122.46

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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.