Home / 999,543.30-1,499,313.78-325,623.54

Finding the Fourth Proportional to 999,543.30, 1,499,313.78 and 325,623.54

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Solution

The fourth proportional to 999,543.30, 1,499,313.78 and 325,623.54 is: 488,434.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,543.30 : 1,499,313.78 = 325,623.54 : x
  2. Step 2: Convert to fraction form
    999,543.30/1,499,313.78 = 325,623.54/x
  3. Step 3: Cross multiply
    999,543.30x = 1,499,313.78 × 325,623.54
  4. Step 4: Simplify right side
    999,543.30x = 488,211,860,614.38
  5. Step 5: Solve for x
    x = 488,211,860,614.38/999,543.30
  6. Step 6: Final answer
    x = 488,434.93

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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.