Home / 999,719.43-1,499,684.73-325,853.47

Finding the Fourth Proportional to 999,719.43, 1,499,684.73 and 325,853.47

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Solution

The fourth proportional to 999,719.43, 1,499,684.73 and 325,853.47 is: 488,814.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,719.43 : 1,499,684.73 = 325,853.47 : x
  2. Step 2: Convert to fraction form
    999,719.43/1,499,684.73 = 325,853.47/x
  3. Step 3: Cross multiply
    999,719.43x = 1,499,684.73 × 325,853.47
  4. Step 4: Simplify right side
    999,719.43x = 488,677,473,176.51
  5. Step 5: Solve for x
    x = 488,677,473,176.51/999,719.43
  6. Step 6: Final answer
    x = 488,814.62

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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.