Home / 910,230.09-1,365,108.70-270,383.43

Finding the Fourth Proportional to 910,230.09, 1,365,108.70 and 270,383.43

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Solution

The fourth proportional to 910,230.09, 1,365,108.70 and 270,383.43 is: 405,504.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,230.09 : 1,365,108.70 = 270,383.43 : x
  2. Step 2: Convert to fraction form
    910,230.09/1,365,108.70 = 270,383.43/x
  3. Step 3: Cross multiply
    910,230.09x = 1,365,108.70 × 270,383.43
  4. Step 4: Simplify right side
    910,230.09x = 369,102,771,439.74
  5. Step 5: Solve for x
    x = 369,102,771,439.74/910,230.09
  6. Step 6: Final answer
    x = 405,504.91

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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.