Home / 999,815.13-1,499,878.17-325,739.52

Finding the Fourth Proportional to 999,815.13, 1,499,878.17 and 325,739.52

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Solution

The fourth proportional to 999,815.13, 1,499,878.17 and 325,739.52 is: 488,659.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,815.13 : 1,499,878.17 = 325,739.52 : x
  2. Step 2: Convert to fraction form
    999,815.13/1,499,878.17 = 325,739.52/x
  3. Step 3: Cross multiply
    999,815.13x = 1,499,878.17 × 325,739.52
  4. Step 4: Simplify right side
    999,815.13x = 488,569,595,154.28
  5. Step 5: Solve for x
    x = 488,569,595,154.28/999,815.13
  6. Step 6: Final answer
    x = 488,659.93

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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.