Home / 960,311.63-1,440,666.34-391,694.33

Finding the Fourth Proportional to 960,311.63, 1,440,666.34 and 391,694.33

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Solution

The fourth proportional to 960,311.63, 1,440,666.34 and 391,694.33 is: 587,622.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,311.63 : 1,440,666.34 = 391,694.33 : x
  2. Step 2: Convert to fraction form
    960,311.63/1,440,666.34 = 391,694.33/x
  3. Step 3: Cross multiply
    960,311.63x = 1,440,666.34 × 391,694.33
  4. Step 4: Simplify right side
    960,311.63x = 564,300,839,422.28
  5. Step 5: Solve for x
    x = 564,300,839,422.28/960,311.63
  6. Step 6: Final answer
    x = 587,622.62

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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.