Home / 743,453.30-1,115,222.44-210,932.30

Finding the Fourth Proportional to 743,453.30, 1,115,222.44 and 210,932.30

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Solution

The fourth proportional to 743,453.30, 1,115,222.44 and 210,932.30 is: 316,410.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,453.30 : 1,115,222.44 = 210,932.30 : x
  2. Step 2: Convert to fraction form
    743,453.30/1,115,222.44 = 210,932.30/x
  3. Step 3: Cross multiply
    743,453.30x = 1,115,222.44 × 210,932.30
  4. Step 4: Simplify right side
    743,453.30x = 235,236,434,280.81
  5. Step 5: Solve for x
    x = 235,236,434,280.81/743,453.30
  6. Step 6: Final answer
    x = 316,410.51

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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.