Home / 698,318.88-1,047,937.72-382,997.28

Finding the Fourth Proportional to 698,318.88, 1,047,937.72 and 382,997.28

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Solution

The fourth proportional to 698,318.88, 1,047,937.72 and 382,997.28 is: 574,747.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,318.88 : 1,047,937.72 = 382,997.28 : x
  2. Step 2: Convert to fraction form
    698,318.88/1,047,937.72 = 382,997.28/x
  3. Step 3: Cross multiply
    698,318.88x = 1,047,937.72 × 382,997.28
  4. Step 4: Simplify right side
    698,318.88x = 401,357,296,369.40
  5. Step 5: Solve for x
    x = 401,357,296,369.40/698,318.88
  6. Step 6: Final answer
    x = 574,747.88

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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.