Home / 910,640.31-1,365,722.45-270,771.72

Finding the Fourth Proportional to 910,640.31, 1,365,722.45 and 270,771.72

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Solution

The fourth proportional to 910,640.31, 1,365,722.45 and 270,771.72 is: 406,086.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,640.31 : 1,365,722.45 = 270,771.72 : x
  2. Step 2: Convert to fraction form
    910,640.31/1,365,722.45 = 270,771.72/x
  3. Step 3: Cross multiply
    910,640.31x = 1,365,722.45 × 270,771.72
  4. Step 4: Simplify right side
    910,640.31x = 369,799,017,506.04
  5. Step 5: Solve for x
    x = 369,799,017,506.04/910,640.31
  6. Step 6: Final answer
    x = 406,086.81

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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.