Home / 689,764.34-1,034,802.21-210,035.04

Finding the Fourth Proportional to 689,764.34, 1,034,802.21 and 210,035.04

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Solution

The fourth proportional to 689,764.34, 1,034,802.21 and 210,035.04 is: 315,099.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,764.34 : 1,034,802.21 = 210,035.04 : x
  2. Step 2: Convert to fraction form
    689,764.34/1,034,802.21 = 210,035.04/x
  3. Step 3: Cross multiply
    689,764.34x = 1,034,802.21 × 210,035.04
  4. Step 4: Simplify right side
    689,764.34x = 217,344,718,901.30
  5. Step 5: Solve for x
    x = 217,344,718,901.30/689,764.34
  6. Step 6: Final answer
    x = 315,099.97

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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.