Home / 771,883.04-1,065,718.40-481,936.04

Finding the Fourth Proportional to 771,883.04, 1,065,718.40 and 481,936.04

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Solution

The fourth proportional to 771,883.04, 1,065,718.40 and 481,936.04 is: 665,396.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,883.04 : 1,065,718.40 = 481,936.04 : x
  2. Step 2: Convert to fraction form
    771,883.04/1,065,718.40 = 481,936.04/x
  3. Step 3: Cross multiply
    771,883.04x = 1,065,718.40 × 481,936.04
  4. Step 4: Simplify right side
    771,883.04x = 513,608,105,451.14
  5. Step 5: Solve for x
    x = 513,608,105,451.14/771,883.04
  6. Step 6: Final answer
    x = 665,396.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.