Home / 999,669.60-1,499,629.14-325,818.72

Finding the Fourth Proportional to 999,669.60, 1,499,629.14 and 325,818.72

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Solution

The fourth proportional to 999,669.60, 1,499,629.14 and 325,818.72 is: 488,768.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,669.60 : 1,499,629.14 = 325,818.72 : x
  2. Step 2: Convert to fraction form
    999,669.60/1,499,629.14 = 325,818.72/x
  3. Step 3: Cross multiply
    999,669.60x = 1,499,629.14 × 325,818.72
  4. Step 4: Simplify right side
    999,669.60x = 488,607,246,869.50
  5. Step 5: Solve for x
    x = 488,607,246,869.50/999,669.60
  6. Step 6: Final answer
    x = 488,768.74

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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.