Home / 910,639.19-1,365,720.74-270,770.60

Finding the Fourth Proportional to 910,639.19, 1,365,720.74 and 270,770.60

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Solution

The fourth proportional to 910,639.19, 1,365,720.74 and 270,770.60 is: 406,085.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,639.19 : 1,365,720.74 = 270,770.60 : x
  2. Step 2: Convert to fraction form
    910,639.19/1,365,720.74 = 270,770.60/x
  3. Step 3: Cross multiply
    910,639.19x = 1,365,720.74 × 270,770.60
  4. Step 4: Simplify right side
    910,639.19x = 369,797,016,019.79
  5. Step 5: Solve for x
    x = 369,797,016,019.79/910,639.19
  6. Step 6: Final answer
    x = 406,085.11

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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.