Home / 970,902.54-1,339,890.87-541,185.78

Finding the Fourth Proportional to 970,902.54, 1,339,890.87 and 541,185.78

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Solution

The fourth proportional to 970,902.54, 1,339,890.87 and 541,185.78 is: 746,861.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,902.54 : 1,339,890.87 = 541,185.78 : x
  2. Step 2: Convert to fraction form
    970,902.54/1,339,890.87 = 541,185.78/x
  3. Step 3: Cross multiply
    970,902.54x = 1,339,890.87 × 541,185.78
  4. Step 4: Simplify right side
    970,902.54x = 725,129,885,595.83
  5. Step 5: Solve for x
    x = 725,129,885,595.83/970,902.54
  6. Step 6: Final answer
    x = 746,861.66

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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.