Home / 688,739.71-1,033,119.96-262,299.15

Finding the Fourth Proportional to 688,739.71, 1,033,119.96 and 262,299.15

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Solution

The fourth proportional to 688,739.71, 1,033,119.96 and 262,299.15 is: 393,452.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,739.71 : 1,033,119.96 = 262,299.15 : x
  2. Step 2: Convert to fraction form
    688,739.71/1,033,119.96 = 262,299.15/x
  3. Step 3: Cross multiply
    688,739.71x = 1,033,119.96 × 262,299.15
  4. Step 4: Simplify right side
    688,739.71x = 270,986,482,190.43
  5. Step 5: Solve for x
    x = 270,986,482,190.43/688,739.71
  6. Step 6: Final answer
    x = 393,452.68

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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.