Home / 749,086.08-1,123,740.99-275,735.45

Finding the Fourth Proportional to 749,086.08, 1,123,740.99 and 275,735.45

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Solution

The fourth proportional to 749,086.08, 1,123,740.99 and 275,735.45 is: 413,644.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,086.08 : 1,123,740.99 = 275,735.45 : x
  2. Step 2: Convert to fraction form
    749,086.08/1,123,740.99 = 275,735.45/x
  3. Step 3: Cross multiply
    749,086.08x = 1,123,740.99 × 275,735.45
  4. Step 4: Simplify right side
    749,086.08x = 309,855,221,942.39
  5. Step 5: Solve for x
    x = 309,855,221,942.39/749,086.08
  6. Step 6: Final answer
    x = 413,644.35

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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.