Home / 693,492.60-1,040,438.16-288,606

Finding the Fourth Proportional to 693,492.60, 1,040,438.16 and 288,606

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Solution

The fourth proportional to 693,492.60, 1,040,438.16 and 288,606 is: 432,991.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,492.60 : 1,040,438.16 = 288,606 : x
  2. Step 2: Convert to fraction form
    693,492.60/1,040,438.16 = 288,606/x
  3. Step 3: Cross multiply
    693,492.60x = 1,040,438.16 × 288,606
  4. Step 4: Simplify right side
    693,492.60x = 300,276,695,604.96
  5. Step 5: Solve for x
    x = 300,276,695,604.96/693,492.60
  6. Step 6: Final answer
    x = 432,991.92

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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.