Home / 744,613.17-1,116,735.23-212,138.81

Finding the Fourth Proportional to 744,613.17, 1,116,735.23 and 212,138.81

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Solution

The fourth proportional to 744,613.17, 1,116,735.23 and 212,138.81 is: 318,155.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,613.17 : 1,116,735.23 = 212,138.81 : x
  2. Step 2: Convert to fraction form
    744,613.17/1,116,735.23 = 212,138.81/x
  3. Step 3: Cross multiply
    744,613.17x = 1,116,735.23 × 212,138.81
  4. Step 4: Simplify right side
    744,613.17x = 236,902,876,132.91
  5. Step 5: Solve for x
    x = 236,902,876,132.91/744,613.17
  6. Step 6: Final answer
    x = 318,155.64

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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.