Home / 755,131.80-1,134,009.90-731,512.20

Finding the Fourth Proportional to 755,131.80, 1,134,009.90 and 731,512.20

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Solution

The fourth proportional to 755,131.80, 1,134,009.90 and 731,512.20 is: 1,098,539.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,131.80 : 1,134,009.90 = 731,512.20 : x
  2. Step 2: Convert to fraction form
    755,131.80/1,134,009.90 = 731,512.20/x
  3. Step 3: Cross multiply
    755,131.80x = 1,134,009.90 × 731,512.20
  4. Step 4: Simplify right side
    755,131.80x = 829,542,076,770.78
  5. Step 5: Solve for x
    x = 829,542,076,770.78/755,131.80
  6. Step 6: Final answer
    x = 1,098,539.46

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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.