Home / 960,072.06-1,440,102.88-391,450.94

Finding the Fourth Proportional to 960,072.06, 1,440,102.88 and 391,450.94

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Solution

The fourth proportional to 960,072.06, 1,440,102.88 and 391,450.94 is: 587,174.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,072.06 : 1,440,102.88 = 391,450.94 : x
  2. Step 2: Convert to fraction form
    960,072.06/1,440,102.88 = 391,450.94/x
  3. Step 3: Cross multiply
    960,072.06x = 1,440,102.88 × 391,450.94
  4. Step 4: Simplify right side
    960,072.06x = 563,729,626,072.71
  5. Step 5: Solve for x
    x = 563,729,626,072.71/960,072.06
  6. Step 6: Final answer
    x = 587,174.29

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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.