Home / 743,493.42-1,115,238.08-211,014.96

Finding the Fourth Proportional to 743,493.42, 1,115,238.08 and 211,014.96

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Solution

The fourth proportional to 743,493.42, 1,115,238.08 and 211,014.96 is: 316,521.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,493.42 : 1,115,238.08 = 211,014.96 : x
  2. Step 2: Convert to fraction form
    743,493.42/1,115,238.08 = 211,014.96/x
  3. Step 3: Cross multiply
    743,493.42x = 1,115,238.08 × 211,014.96
  4. Step 4: Simplify right side
    743,493.42x = 235,331,918,841.68
  5. Step 5: Solve for x
    x = 235,331,918,841.68/743,493.42
  6. Step 6: Final answer
    x = 316,521.86

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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.