Home / 743,179.80-1,114,769.70-627,706.20

Finding the Fourth Proportional to 743,179.80, 1,114,769.70 and 627,706.20

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Solution

The fourth proportional to 743,179.80, 1,114,769.70 and 627,706.20 is: 941,559.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,179.80 : 1,114,769.70 = 627,706.20 : x
  2. Step 2: Convert to fraction form
    743,179.80/1,114,769.70 = 627,706.20/x
  3. Step 3: Cross multiply
    743,179.80x = 1,114,769.70 × 627,706.20
  4. Step 4: Simplify right side
    743,179.80x = 699,747,852,262.14
  5. Step 5: Solve for x
    x = 699,747,852,262.14/743,179.80
  6. Step 6: Final answer
    x = 941,559.30

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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.