Home / 610,123.08-913,993.37-289,819.15

Finding the Fourth Proportional to 610,123.08, 913,993.37 and 289,819.15

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Solution

The fourth proportional to 610,123.08, 913,993.37 and 289,819.15 is: 434,162.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,123.08 : 913,993.37 = 289,819.15 : x
  2. Step 2: Convert to fraction form
    610,123.08/913,993.37 = 289,819.15/x
  3. Step 3: Cross multiply
    610,123.08x = 913,993.37 × 289,819.15
  4. Step 4: Simplify right side
    610,123.08x = 264,892,778,951.78
  5. Step 5: Solve for x
    x = 264,892,778,951.78/610,123.08
  6. Step 6: Final answer
    x = 434,162.85

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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.