Home / 999,688.30-1,499,378.38-325,767.90

Finding the Fourth Proportional to 999,688.30, 1,499,378.38 and 325,767.90

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Solution

The fourth proportional to 999,688.30, 1,499,378.38 and 325,767.90 is: 488,601.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,688.30 : 1,499,378.38 = 325,767.90 : x
  2. Step 2: Convert to fraction form
    999,688.30/1,499,378.38 = 325,767.90/x
  3. Step 3: Cross multiply
    999,688.30x = 1,499,378.38 × 325,767.90
  4. Step 4: Simplify right side
    999,688.30x = 488,449,346,158.00
  5. Step 5: Solve for x
    x = 488,449,346,158.00/999,688.30
  6. Step 6: Final answer
    x = 488,601.64

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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.