Home / 656,089.38-981,902.70-403,236.90

Finding the Fourth Proportional to 656,089.38, 981,902.70 and 403,236.90

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Solution

The fourth proportional to 656,089.38, 981,902.70 and 403,236.90 is: 603,483.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,089.38 : 981,902.70 = 403,236.90 : x
  2. Step 2: Convert to fraction form
    656,089.38/981,902.70 = 403,236.90/x
  3. Step 3: Cross multiply
    656,089.38x = 981,902.70 × 403,236.90
  4. Step 4: Simplify right side
    656,089.38x = 395,939,400,849.63
  5. Step 5: Solve for x
    x = 395,939,400,849.63/656,089.38
  6. Step 6: Final answer
    x = 603,483.94

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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.