Home / 712,843.80-1,069,190.37-375,749.34

Finding the Fourth Proportional to 712,843.80, 1,069,190.37 and 375,749.34

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Solution

The fourth proportional to 712,843.80, 1,069,190.37 and 375,749.34 is: 563,584.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,843.80 : 1,069,190.37 = 375,749.34 : x
  2. Step 2: Convert to fraction form
    712,843.80/1,069,190.37 = 375,749.34/x
  3. Step 3: Cross multiply
    712,843.80x = 1,069,190.37 × 375,749.34
  4. Step 4: Simplify right side
    712,843.80x = 401,747,575,861.86
  5. Step 5: Solve for x
    x = 401,747,575,861.86/712,843.80
  6. Step 6: Final answer
    x = 563,584.30

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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.