Home / 999,688.28-1,499,531.22-325,768.52

Finding the Fourth Proportional to 999,688.28, 1,499,531.22 and 325,768.52

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Solution

The fourth proportional to 999,688.28, 1,499,531.22 and 325,768.52 is: 488,652.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,688.28 : 1,499,531.22 = 325,768.52 : x
  2. Step 2: Convert to fraction form
    999,688.28/1,499,531.22 = 325,768.52/x
  3. Step 3: Cross multiply
    999,688.28x = 1,499,531.22 × 325,768.52
  4. Step 4: Simplify right side
    999,688.28x = 488,500,066,233.19
  5. Step 5: Solve for x
    x = 488,500,066,233.19/999,688.28
  6. Step 6: Final answer
    x = 488,652.39

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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.