Home / 744,613.80-1,116,736.16-212,139.44

Finding the Fourth Proportional to 744,613.80, 1,116,736.16 and 212,139.44

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Solution

The fourth proportional to 744,613.80, 1,116,736.16 and 212,139.44 is: 318,156.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,613.80 : 1,116,736.16 = 212,139.44 : x
  2. Step 2: Convert to fraction form
    744,613.80/1,116,736.16 = 212,139.44/x
  3. Step 3: Cross multiply
    744,613.80x = 1,116,736.16 × 212,139.44
  4. Step 4: Simplify right side
    744,613.80x = 236,903,783,610.15
  5. Step 5: Solve for x
    x = 236,903,783,610.15/744,613.80
  6. Step 6: Final answer
    x = 318,156.59

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1.5x scale

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.