Home / 864,080.10-1,295,731.35-331,424.10

Finding the Fourth Proportional to 864,080.10, 1,295,731.35 and 331,424.10

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Solution

The fourth proportional to 864,080.10, 1,295,731.35 and 331,424.10 is: 496,987.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,080.10 : 1,295,731.35 = 331,424.10 : x
  2. Step 2: Convert to fraction form
    864,080.10/1,295,731.35 = 331,424.10/x
  3. Step 3: Cross multiply
    864,080.10x = 1,295,731.35 × 331,424.10
  4. Step 4: Simplify right side
    864,080.10x = 429,436,596,515.54
  5. Step 5: Solve for x
    x = 429,436,596,515.54/864,080.10
  6. Step 6: Final answer
    x = 496,987.02

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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.