Home / 743,914.60-1,115,915.10-211,474.60

Finding the Fourth Proportional to 743,914.60, 1,115,915.10 and 211,474.60

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Solution

The fourth proportional to 743,914.60, 1,115,915.10 and 211,474.60 is: 317,224.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,914.60 : 1,115,915.10 = 211,474.60 : x
  2. Step 2: Convert to fraction form
    743,914.60/1,115,915.10 = 211,474.60/x
  3. Step 3: Cross multiply
    743,914.60x = 1,115,915.10 × 211,474.60
  4. Step 4: Simplify right side
    743,914.60x = 235,987,699,406.46
  5. Step 5: Solve for x
    x = 235,987,699,406.46/743,914.60
  6. Step 6: Final answer
    x = 317,224.18

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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.