Home / 744,637.86-1,027,604.71-405,108.54

Finding the Fourth Proportional to 744,637.86, 1,027,604.71 and 405,108.54

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Solution

The fourth proportional to 744,637.86, 1,027,604.71 and 405,108.54 is: 559,052.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,637.86 : 1,027,604.71 = 405,108.54 : x
  2. Step 2: Convert to fraction form
    744,637.86/1,027,604.71 = 405,108.54/x
  3. Step 3: Cross multiply
    744,637.86x = 1,027,604.71 × 405,108.54
  4. Step 4: Simplify right side
    744,637.86x = 416,291,438,627.20
  5. Step 5: Solve for x
    x = 416,291,438,627.20/744,637.86
  6. Step 6: Final answer
    x = 559,052.21

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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.