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Finding the Fourth Proportional to 540,119.43, 810,687.69 and 274,070.88

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Solution

The fourth proportional to 540,119.43, 810,687.69 and 274,070.88 is: 411,364.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,119.43 : 810,687.69 = 274,070.88 : x
  2. Step 2: Convert to fraction form
    540,119.43/810,687.69 = 274,070.88/x
  3. Step 3: Cross multiply
    540,119.43x = 810,687.69 × 274,070.88
  4. Step 4: Simplify right side
    540,119.43x = 222,185,888,603.47
  5. Step 5: Solve for x
    x = 222,185,888,603.47/540,119.43
  6. Step 6: Final answer
    x = 411,364.37

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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.