Home / 689,956.14-1,035,146.15-353,233.24

Finding the Fourth Proportional to 689,956.14, 1,035,146.15 and 353,233.24

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Solution

The fourth proportional to 689,956.14, 1,035,146.15 and 353,233.24 is: 529,958.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,956.14 : 1,035,146.15 = 353,233.24 : x
  2. Step 2: Convert to fraction form
    689,956.14/1,035,146.15 = 353,233.24/x
  3. Step 3: Cross multiply
    689,956.14x = 1,035,146.15 × 353,233.24
  4. Step 4: Simplify right side
    689,956.14x = 365,648,025,408.62
  5. Step 5: Solve for x
    x = 365,648,025,408.62/689,956.14
  6. Step 6: Final answer
    x = 529,958.36

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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.