Home / 969,897.12-1,455,074.64-305,049.12

Finding the Fourth Proportional to 969,897.12, 1,455,074.64 and 305,049.12

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Solution

The fourth proportional to 969,897.12, 1,455,074.64 and 305,049.12 is: 457,645.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,897.12 : 1,455,074.64 = 305,049.12 : x
  2. Step 2: Convert to fraction form
    969,897.12/1,455,074.64 = 305,049.12/x
  3. Step 3: Cross multiply
    969,897.12x = 1,455,074.64 × 305,049.12
  4. Step 4: Simplify right side
    969,897.12x = 443,869,238,466.32
  5. Step 5: Solve for x
    x = 443,869,238,466.32/969,897.12
  6. Step 6: Final answer
    x = 457,645.69

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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.