Home / 432,127.31-596,591.12-311,579.87

Finding the Fourth Proportional to 432,127.31, 596,591.12 and 311,579.87

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Solution

The fourth proportional to 432,127.31, 596,591.12 and 311,579.87 is: 430,164.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,127.31 : 596,591.12 = 311,579.87 : x
  2. Step 2: Convert to fraction form
    432,127.31/596,591.12 = 311,579.87/x
  3. Step 3: Cross multiply
    432,127.31x = 596,591.12 × 311,579.87
  4. Step 4: Simplify right side
    432,127.31x = 185,885,781,408.75
  5. Step 5: Solve for x
    x = 185,885,781,408.75/432,127.31
  6. Step 6: Final answer
    x = 430,164.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.