Home / 688,740.09-1,033,120.52-262,299.52

Finding the Fourth Proportional to 688,740.09, 1,033,120.52 and 262,299.52

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Solution

The fourth proportional to 688,740.09, 1,033,120.52 and 262,299.52 is: 393,453.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,740.09 : 1,033,120.52 = 262,299.52 : x
  2. Step 2: Convert to fraction form
    688,740.09/1,033,120.52 = 262,299.52/x
  3. Step 3: Cross multiply
    688,740.09x = 1,033,120.52 × 262,299.52
  4. Step 4: Simplify right side
    688,740.09x = 270,987,016,498.15
  5. Step 5: Solve for x
    x = 270,987,016,498.15/688,740.09
  6. Step 6: Final answer
    x = 393,453.24

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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.