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Finding the Fourth Proportional to 634,493.28, 875,646.72 and 362,554.88

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Solution

The fourth proportional to 634,493.28, 875,646.72 and 362,554.88 is: 500,352.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,493.28 : 875,646.72 = 362,554.88 : x
  2. Step 2: Convert to fraction form
    634,493.28/875,646.72 = 362,554.88/x
  3. Step 3: Cross multiply
    634,493.28x = 875,646.72 × 362,554.88
  4. Step 4: Simplify right side
    634,493.28x = 317,469,991,491.99
  5. Step 5: Solve for x
    x = 317,469,991,491.99/634,493.28
  6. Step 6: Final answer
    x = 500,352.02

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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.