Home / 743,563.23-1,115,342.55-211,084.62

Finding the Fourth Proportional to 743,563.23, 1,115,342.55 and 211,084.62

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Solution

The fourth proportional to 743,563.23, 1,115,342.55 and 211,084.62 is: 316,626.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,563.23 : 1,115,342.55 = 211,084.62 : x
  2. Step 2: Convert to fraction form
    743,563.23/1,115,342.55 = 211,084.62/x
  3. Step 3: Cross multiply
    743,563.23x = 1,115,342.55 × 211,084.62
  4. Step 4: Simplify right side
    743,563.23x = 235,431,658,336.58
  5. Step 5: Solve for x
    x = 235,431,658,336.58/743,563.23
  6. Step 6: Final answer
    x = 316,626.28

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Half scale
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Double scale
Find fourth proportional to 743,564.23, 1,115,344.05 and 211,085.62
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.