Home / 709,838.72-1,064,911.17-204,396.29

Finding the Fourth Proportional to 709,838.72, 1,064,911.17 and 204,396.29

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Solution

The fourth proportional to 709,838.72, 1,064,911.17 and 204,396.29 is: 306,638.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,838.72 : 1,064,911.17 = 204,396.29 : x
  2. Step 2: Convert to fraction form
    709,838.72/1,064,911.17 = 204,396.29/x
  3. Step 3: Cross multiply
    709,838.72x = 1,064,911.17 × 204,396.29
  4. Step 4: Simplify right side
    709,838.72x = 217,663,892,327.56
  5. Step 5: Solve for x
    x = 217,663,892,327.56/709,838.72
  6. Step 6: Final answer
    x = 306,638.52

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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.