Home / 749,118.62-1,123,710.74-216,693.48

Finding the Fourth Proportional to 749,118.62, 1,123,710.74 and 216,693.48

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Solution

The fourth proportional to 749,118.62, 1,123,710.74 and 216,693.48 is: 325,049.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,118.62 : 1,123,710.74 = 216,693.48 : x
  2. Step 2: Convert to fraction form
    749,118.62/1,123,710.74 = 216,693.48/x
  3. Step 3: Cross multiply
    749,118.62x = 1,123,710.74 × 216,693.48
  4. Step 4: Simplify right side
    749,118.62x = 243,500,790,763.98
  5. Step 5: Solve for x
    x = 243,500,790,763.98/749,118.62
  6. Step 6: Final answer
    x = 325,049.71

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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.