Home / 1,325,358.50-1,988,037.76-328,086.50

Finding the Fourth Proportional to 1,325,358.50, 1,988,037.76 and 328,086.50

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Solution

The fourth proportional to 1,325,358.50, 1,988,037.76 and 328,086.50 is: 492,129.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,358.50 : 1,988,037.76 = 328,086.50 : x
  2. Step 2: Convert to fraction form
    1,325,358.50/1,988,037.76 = 328,086.50/x
  3. Step 3: Cross multiply
    1,325,358.50x = 1,988,037.76 × 328,086.50
  4. Step 4: Simplify right side
    1,325,358.50x = 652,248,350,546.24
  5. Step 5: Solve for x
    x = 652,248,350,546.24/1,325,358.50
  6. Step 6: Final answer
    x = 492,129.75

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Similar ratio
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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.