Home / 650,956.20-977,010.30-384,383.40

Finding the Fourth Proportional to 650,956.20, 977,010.30 and 384,383.40

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Solution

The fourth proportional to 650,956.20, 977,010.30 and 384,383.40 is: 576,915.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,956.20 : 977,010.30 = 384,383.40 : x
  2. Step 2: Convert to fraction form
    650,956.20/977,010.30 = 384,383.40/x
  3. Step 3: Cross multiply
    650,956.20x = 977,010.30 × 384,383.40
  4. Step 4: Simplify right side
    650,956.20x = 375,546,540,949.02
  5. Step 5: Solve for x
    x = 375,546,540,949.02/650,956.20
  6. Step 6: Final answer
    x = 576,915.22

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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.