Home / 689,174.24-1,034,401.04-352,455.52

Finding the Fourth Proportional to 689,174.24, 1,034,401.04 and 352,455.52

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Solution

The fourth proportional to 689,174.24, 1,034,401.04 and 352,455.52 is: 529,010.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,174.24 : 1,034,401.04 = 352,455.52 : x
  2. Step 2: Convert to fraction form
    689,174.24/1,034,401.04 = 352,455.52/x
  3. Step 3: Cross multiply
    689,174.24x = 1,034,401.04 × 352,455.52
  4. Step 4: Simplify right side
    689,174.24x = 364,580,356,441.74
  5. Step 5: Solve for x
    x = 364,580,356,441.74/689,174.24
  6. Step 6: Final answer
    x = 529,010.42

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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.