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Finding the Fourth Proportional to 414,457.04, 621,685.56 and 274,182.86

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Solution

The fourth proportional to 414,457.04, 621,685.56 and 274,182.86 is: 411,274.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,457.04 : 621,685.56 = 274,182.86 : x
  2. Step 2: Convert to fraction form
    414,457.04/621,685.56 = 274,182.86/x
  3. Step 3: Cross multiply
    414,457.04x = 621,685.56 × 274,182.86
  4. Step 4: Simplify right side
    414,457.04x = 170,455,524,861.50
  5. Step 5: Solve for x
    x = 170,455,524,861.50/414,457.04
  6. Step 6: Final answer
    x = 411,274.29

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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.