Home / 688,742.44-1,033,124.07-262,301.90

Finding the Fourth Proportional to 688,742.44, 1,033,124.07 and 262,301.90

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Solution

The fourth proportional to 688,742.44, 1,033,124.07 and 262,301.90 is: 393,456.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,742.44 : 1,033,124.07 = 262,301.90 : x
  2. Step 2: Convert to fraction form
    688,742.44/1,033,124.07 = 262,301.90/x
  3. Step 3: Cross multiply
    688,742.44x = 1,033,124.07 × 262,301.90
  4. Step 4: Simplify right side
    688,742.44x = 270,990,400,839.30
  5. Step 5: Solve for x
    x = 270,990,400,839.30/688,742.44
  6. Step 6: Final answer
    x = 393,456.80

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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.