Home / 432,200.34-647,775.60-305,877.50

Finding the Fourth Proportional to 432,200.34, 647,775.60 and 305,877.50

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Solution

The fourth proportional to 432,200.34, 647,775.60 and 305,877.50 is: 458,444.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,200.34 : 647,775.60 = 305,877.50 : x
  2. Step 2: Convert to fraction form
    432,200.34/647,775.60 = 305,877.50/x
  3. Step 3: Cross multiply
    432,200.34x = 647,775.60 × 305,877.50
  4. Step 4: Simplify right side
    432,200.34x = 198,139,979,132.24
  5. Step 5: Solve for x
    x = 198,139,979,132.24/432,200.34
  6. Step 6: Final answer
    x = 458,444.76

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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.