Home / 755,254.21-1,132,548.94-400,186.39

Finding the Fourth Proportional to 755,254.21, 1,132,548.94 and 400,186.39

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Solution

The fourth proportional to 755,254.21, 1,132,548.94 and 400,186.39 is: 600,103.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,254.21 : 1,132,548.94 = 400,186.39 : x
  2. Step 2: Convert to fraction form
    755,254.21/1,132,548.94 = 400,186.39/x
  3. Step 3: Cross multiply
    755,254.21x = 1,132,548.94 × 400,186.39
  4. Step 4: Simplify right side
    755,254.21x = 453,230,671,796.93
  5. Step 5: Solve for x
    x = 453,230,671,796.93/755,254.21
  6. Step 6: Final answer
    x = 600,103.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.