Home / 689,983.13-1,034,599.25-240,583.79

Finding the Fourth Proportional to 689,983.13, 1,034,599.25 and 240,583.79

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Solution

The fourth proportional to 689,983.13, 1,034,599.25 and 240,583.79 is: 360,744.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,983.13 : 1,034,599.25 = 240,583.79 : x
  2. Step 2: Convert to fraction form
    689,983.13/1,034,599.25 = 240,583.79/x
  3. Step 3: Cross multiply
    689,983.13x = 1,034,599.25 × 240,583.79
  4. Step 4: Simplify right side
    689,983.13x = 248,907,811,884.12
  5. Step 5: Solve for x
    x = 248,907,811,884.12/689,983.13
  6. Step 6: Final answer
    x = 360,744.78

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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.