Home / 464,205.20-640,014.48-331,756.29

Finding the Fourth Proportional to 464,205.20, 640,014.48 and 331,756.29

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Solution

The fourth proportional to 464,205.20, 640,014.48 and 331,756.29 is: 457,402.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,205.20 : 640,014.48 = 331,756.29 : x
  2. Step 2: Convert to fraction form
    464,205.20/640,014.48 = 331,756.29/x
  3. Step 3: Cross multiply
    464,205.20x = 640,014.48 × 331,756.29
  4. Step 4: Simplify right side
    464,205.20x = 212,328,829,431.08
  5. Step 5: Solve for x
    x = 212,328,829,431.08/464,205.20
  6. Step 6: Final answer
    x = 457,402.96

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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.