Home / 434,175.20-651,262.80-327,730.40

Finding the Fourth Proportional to 434,175.20, 651,262.80 and 327,730.40

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Solution

The fourth proportional to 434,175.20, 651,262.80 and 327,730.40 is: 491,595.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,175.20 : 651,262.80 = 327,730.40 : x
  2. Step 2: Convert to fraction form
    434,175.20/651,262.80 = 327,730.40/x
  3. Step 3: Cross multiply
    434,175.20x = 651,262.80 × 327,730.40
  4. Step 4: Simplify right side
    434,175.20x = 213,438,617,949.12
  5. Step 5: Solve for x
    x = 213,438,617,949.12/434,175.20
  6. Step 6: Final answer
    x = 491,595.60

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1.5x scale

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.