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Finding the Fourth Proportional to 540,270.72, 810,376.92 and 274,024.35

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Solution

The fourth proportional to 540,270.72, 810,376.92 and 274,024.35 is: 411,021.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,270.72 : 810,376.92 = 274,024.35 : x
  2. Step 2: Convert to fraction form
    540,270.72/810,376.92 = 274,024.35/x
  3. Step 3: Cross multiply
    540,270.72x = 810,376.92 × 274,024.35
  4. Step 4: Simplify right side
    540,270.72x = 222,063,008,758.00
  5. Step 5: Solve for x
    x = 222,063,008,758.00/540,270.72
  6. Step 6: Final answer
    x = 411,021.74

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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.