Home / 999,539.29-1,499,307.76-325,619.61

Finding the Fourth Proportional to 999,539.29, 1,499,307.76 and 325,619.61

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Solution

The fourth proportional to 999,539.29, 1,499,307.76 and 325,619.61 is: 488,429.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,539.29 : 1,499,307.76 = 325,619.61 : x
  2. Step 2: Convert to fraction form
    999,539.29/1,499,307.76 = 325,619.61/x
  3. Step 3: Cross multiply
    999,539.29x = 1,499,307.76 × 325,619.61
  4. Step 4: Simplify right side
    999,539.29x = 488,204,008,081.17
  5. Step 5: Solve for x
    x = 488,204,008,081.17/999,539.29
  6. Step 6: Final answer
    x = 488,429.03

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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.