Home / 718,611.89-1,078,016.24-245,170.13

Finding the Fourth Proportional to 718,611.89, 1,078,016.24 and 245,170.13

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Solution

The fourth proportional to 718,611.89, 1,078,016.24 and 245,170.13 is: 367,788.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,611.89 : 1,078,016.24 = 245,170.13 : x
  2. Step 2: Convert to fraction form
    718,611.89/1,078,016.24 = 245,170.13/x
  3. Step 3: Cross multiply
    718,611.89x = 1,078,016.24 × 245,170.13
  4. Step 4: Simplify right side
    718,611.89x = 264,297,376,925.76
  5. Step 5: Solve for x
    x = 264,297,376,925.76/718,611.89
  6. Step 6: Final answer
    x = 367,788.76

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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.