Home / 960,604.28-1,441,064.82-399,678.20

Finding the Fourth Proportional to 960,604.28, 1,441,064.82 and 399,678.20

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Solution

The fourth proportional to 960,604.28, 1,441,064.82 and 399,678.20 is: 599,583.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,604.28 : 1,441,064.82 = 399,678.20 : x
  2. Step 2: Convert to fraction form
    960,604.28/1,441,064.82 = 399,678.20/x
  3. Step 3: Cross multiply
    960,604.28x = 1,441,064.82 × 399,678.20
  4. Step 4: Simplify right side
    960,604.28x = 575,962,193,340.92
  5. Step 5: Solve for x
    x = 575,962,193,340.92/960,604.28
  6. Step 6: Final answer
    x = 599,583.21

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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.