Home / 718,830.12-1,078,011.66-238,929

Finding the Fourth Proportional to 718,830.12, 1,078,011.66 and 238,929

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Solution

The fourth proportional to 718,830.12, 1,078,011.66 and 238,929 is: 358,315.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,830.12 : 1,078,011.66 = 238,929 : x
  2. Step 2: Convert to fraction form
    718,830.12/1,078,011.66 = 238,929/x
  3. Step 3: Cross multiply
    718,830.12x = 1,078,011.66 × 238,929
  4. Step 4: Simplify right side
    718,830.12x = 257,568,247,912.14
  5. Step 5: Solve for x
    x = 257,568,247,912.14/718,830.12
  6. Step 6: Final answer
    x = 358,315.88

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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.