Home / 984,139.80-1,476,209.70-274,277.40

Finding the Fourth Proportional to 984,139.80, 1,476,209.70 and 274,277.40

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Solution

The fourth proportional to 984,139.80, 1,476,209.70 and 274,277.40 is: 411,416.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,139.80 : 1,476,209.70 = 274,277.40 : x
  2. Step 2: Convert to fraction form
    984,139.80/1,476,209.70 = 274,277.40/x
  3. Step 3: Cross multiply
    984,139.80x = 1,476,209.70 × 274,277.40
  4. Step 4: Simplify right side
    984,139.80x = 404,890,958,370.78
  5. Step 5: Solve for x
    x = 404,890,958,370.78/984,139.80
  6. Step 6: Final answer
    x = 411,416.10

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Double scale
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Similar ratio
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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.