Home / 749,323.07-1,034,090.43-409,791.32

Finding the Fourth Proportional to 749,323.07, 1,034,090.43 and 409,791.32

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Solution

The fourth proportional to 749,323.07, 1,034,090.43 and 409,791.32 is: 565,525.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,323.07 : 1,034,090.43 = 409,791.32 : x
  2. Step 2: Convert to fraction form
    749,323.07/1,034,090.43 = 409,791.32/x
  3. Step 3: Cross multiply
    749,323.07x = 1,034,090.43 × 409,791.32
  4. Step 4: Simplify right side
    749,323.07x = 423,761,277,138.62
  5. Step 5: Solve for x
    x = 423,761,277,138.62/749,323.07
  6. Step 6: Final answer
    x = 565,525.47

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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.