Home / 670,425.21-1,005,500.66-196,983.45

Finding the Fourth Proportional to 670,425.21, 1,005,500.66 and 196,983.45

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Solution

The fourth proportional to 670,425.21, 1,005,500.66 and 196,983.45 is: 295,434.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,425.21 : 1,005,500.66 = 196,983.45 : x
  2. Step 2: Convert to fraction form
    670,425.21/1,005,500.66 = 196,983.45/x
  3. Step 3: Cross multiply
    670,425.21x = 1,005,500.66 × 196,983.45
  4. Step 4: Simplify right side
    670,425.21x = 198,066,987,999.16
  5. Step 5: Solve for x
    x = 198,066,987,999.16/670,425.21
  6. Step 6: Final answer
    x = 295,434.87

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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.