Home / 771,868.04-1,065,697.70-481,921.04

Finding the Fourth Proportional to 771,868.04, 1,065,697.70 and 481,921.04

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Solution

The fourth proportional to 771,868.04, 1,065,697.70 and 481,921.04 is: 665,375.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,868.04 : 1,065,697.70 = 481,921.04 : x
  2. Step 2: Convert to fraction form
    771,868.04/1,065,697.70 = 481,921.04/x
  3. Step 3: Cross multiply
    771,868.04x = 1,065,697.70 × 481,921.04
  4. Step 4: Simplify right side
    771,868.04x = 513,582,144,164.25
  5. Step 5: Solve for x
    x = 513,582,144,164.25/771,868.04
  6. Step 6: Final answer
    x = 665,375.58

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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.