Home / 689,945.68-1,033,770.20-240,418.80

Finding the Fourth Proportional to 689,945.68, 1,033,770.20 and 240,418.80

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Solution

The fourth proportional to 689,945.68, 1,033,770.20 and 240,418.80 is: 360,228.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,945.68 : 1,033,770.20 = 240,418.80 : x
  2. Step 2: Convert to fraction form
    689,945.68/1,033,770.20 = 240,418.80/x
  3. Step 3: Cross multiply
    689,945.68x = 1,033,770.20 × 240,418.80
  4. Step 4: Simplify right side
    689,945.68x = 248,537,790,959.76
  5. Step 5: Solve for x
    x = 248,537,790,959.76/689,945.68
  6. Step 6: Final answer
    x = 360,228.06

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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.