Home / 884,139.20-1,326,727.20-323,230.40

Finding the Fourth Proportional to 884,139.20, 1,326,727.20 and 323,230.40

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Solution

The fourth proportional to 884,139.20, 1,326,727.20 and 323,230.40 is: 485,035.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,139.20 : 1,326,727.20 = 323,230.40 : x
  2. Step 2: Convert to fraction form
    884,139.20/1,326,727.20 = 323,230.40/x
  3. Step 3: Cross multiply
    884,139.20x = 1,326,727.20 × 323,230.40
  4. Step 4: Simplify right side
    884,139.20x = 428,838,563,546.88
  5. Step 5: Solve for x
    x = 428,838,563,546.88/884,139.20
  6. Step 6: Final answer
    x = 485,035.12

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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.