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Finding the Fourth Proportional to 544,457.94, 816,853.04 and 278,405.34

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Solution

The fourth proportional to 544,457.94, 816,853.04 and 278,405.34 is: 417,692.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,457.94 : 816,853.04 = 278,405.34 : x
  2. Step 2: Convert to fraction form
    544,457.94/816,853.04 = 278,405.34/x
  3. Step 3: Cross multiply
    544,457.94x = 816,853.04 × 278,405.34
  4. Step 4: Simplify right side
    544,457.94x = 227,416,248,331.23
  5. Step 5: Solve for x
    x = 227,416,248,331.23/544,457.94
  6. Step 6: Final answer
    x = 417,692.96

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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.