Home / 765,738.34-1,148,607.43-204,758.26

Finding the Fourth Proportional to 765,738.34, 1,148,607.43 and 204,758.26

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Solution

The fourth proportional to 765,738.34, 1,148,607.43 and 204,758.26 is: 307,137.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,738.34 : 1,148,607.43 = 204,758.26 : x
  2. Step 2: Convert to fraction form
    765,738.34/1,148,607.43 = 204,758.26/x
  3. Step 3: Cross multiply
    765,738.34x = 1,148,607.43 × 204,758.26
  4. Step 4: Simplify right side
    765,738.34x = 235,186,858,789.87
  5. Step 5: Solve for x
    x = 235,186,858,789.87/765,738.34
  6. Step 6: Final answer
    x = 307,137.37

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Double scale
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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.