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Finding the Fourth Proportional to 508,835.04, 702,205.02 and 279,414.96

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Solution

The fourth proportional to 508,835.04, 702,205.02 and 279,414.96 is: 385,599.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,835.04 : 702,205.02 = 279,414.96 : x
  2. Step 2: Convert to fraction form
    508,835.04/702,205.02 = 279,414.96/x
  3. Step 3: Cross multiply
    508,835.04x = 702,205.02 × 279,414.96
  4. Step 4: Simplify right side
    508,835.04x = 196,206,587,575.10
  5. Step 5: Solve for x
    x = 196,206,587,575.10/508,835.04
  6. Step 6: Final answer
    x = 385,599.60

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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.