Home / 910,640.19-1,365,722.23-270,771.60

Finding the Fourth Proportional to 910,640.19, 1,365,722.23 and 270,771.60

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Solution

The fourth proportional to 910,640.19, 1,365,722.23 and 270,771.60 is: 406,086.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,640.19 : 1,365,722.23 = 270,771.60 : x
  2. Step 2: Convert to fraction form
    910,640.19/1,365,722.23 = 270,771.60/x
  3. Step 3: Cross multiply
    910,640.19x = 1,365,722.23 × 270,771.60
  4. Step 4: Simplify right side
    910,640.19x = 369,798,793,372.67
  5. Step 5: Solve for x
    x = 369,798,793,372.67/910,640.19
  6. Step 6: Final answer
    x = 406,086.62

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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.