Home / 910,639.23-1,365,720.83-270,770.64

Finding the Fourth Proportional to 910,639.23, 1,365,720.83 and 270,770.64

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Solution

The fourth proportional to 910,639.23, 1,365,720.83 and 270,770.64 is: 406,085.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,639.23 : 1,365,720.83 = 270,770.64 : x
  2. Step 2: Convert to fraction form
    910,639.23/1,365,720.83 = 270,770.64/x
  3. Step 3: Cross multiply
    910,639.23x = 1,365,720.83 × 270,770.64
  4. Step 4: Simplify right side
    910,639.23x = 369,797,106,945.78
  5. Step 5: Solve for x
    x = 369,797,106,945.78/910,639.23
  6. Step 6: Final answer
    x = 406,085.19

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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.