Home / 807,313.38-1,211,188.66-301,925.68

Finding the Fourth Proportional to 807,313.38, 1,211,188.66 and 301,925.68

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Solution

The fourth proportional to 807,313.38, 1,211,188.66 and 301,925.68 is: 452,970.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,313.38 : 1,211,188.66 = 301,925.68 : x
  2. Step 2: Convert to fraction form
    807,313.38/1,211,188.66 = 301,925.68/x
  3. Step 3: Cross multiply
    807,313.38x = 1,211,188.66 × 301,925.68
  4. Step 4: Simplify right side
    807,313.38x = 365,688,959,778.79
  5. Step 5: Solve for x
    x = 365,688,959,778.79/807,313.38
  6. Step 6: Final answer
    x = 452,970.27

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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.