Home / 743,528-1,115,289.81-211,049.48

Finding the Fourth Proportional to 743,528, 1,115,289.81 and 211,049.48

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Solution

The fourth proportional to 743,528, 1,115,289.81 and 211,049.48 is: 316,573.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,528 : 1,115,289.81 = 211,049.48 : x
  2. Step 2: Convert to fraction form
    743,528/1,115,289.81 = 211,049.48/x
  3. Step 3: Cross multiply
    743,528x = 1,115,289.81 × 211,049.48
  4. Step 4: Simplify right side
    743,528x = 235,381,334,449.80
  5. Step 5: Solve for x
    x = 235,381,334,449.80/743,528
  6. Step 6: Final answer
    x = 316,573.60

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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.