Home / 740,384.68-1,110,577.03-200,640.94

Finding the Fourth Proportional to 740,384.68, 1,110,577.03 and 200,640.94

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Solution

The fourth proportional to 740,384.68, 1,110,577.03 and 200,640.94 is: 300,961.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,384.68 : 1,110,577.03 = 200,640.94 : x
  2. Step 2: Convert to fraction form
    740,384.68/1,110,577.03 = 200,640.94/x
  3. Step 3: Cross multiply
    740,384.68x = 1,110,577.03 × 200,640.94
  4. Step 4: Simplify right side
    740,384.68x = 222,827,222,064.52
  5. Step 5: Solve for x
    x = 222,827,222,064.52/740,384.68
  6. Step 6: Final answer
    x = 300,961.42

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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.