Home / 689,700.20-1,033,934.70-268,878.20

Finding the Fourth Proportional to 689,700.20, 1,033,934.70 and 268,878.20

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Solution

The fourth proportional to 689,700.20, 1,033,934.70 and 268,878.20 is: 403,077.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,700.20 : 1,033,934.70 = 268,878.20 : x
  2. Step 2: Convert to fraction form
    689,700.20/1,033,934.70 = 268,878.20/x
  3. Step 3: Cross multiply
    689,700.20x = 1,033,934.70 × 268,878.20
  4. Step 4: Simplify right side
    689,700.20x = 278,002,501,053.54
  5. Step 5: Solve for x
    x = 278,002,501,053.54/689,700.20
  6. Step 6: Final answer
    x = 403,077.31

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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.