Home / 409,255.26-564,859.36-275,041.50

Finding the Fourth Proportional to 409,255.26, 564,859.36 and 275,041.50

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Solution

The fourth proportional to 409,255.26, 564,859.36 and 275,041.50 is: 379,615.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,255.26 : 564,859.36 = 275,041.50 : x
  2. Step 2: Convert to fraction form
    409,255.26/564,859.36 = 275,041.50/x
  3. Step 3: Cross multiply
    409,255.26x = 564,859.36 × 275,041.50
  4. Step 4: Simplify right side
    409,255.26x = 155,359,765,663.44
  5. Step 5: Solve for x
    x = 155,359,765,663.44/409,255.26
  6. Step 6: Final answer
    x = 379,615.81

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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.