Home / 689,449.84-1,034,179.34-240,179.20

Finding the Fourth Proportional to 689,449.84, 1,034,179.34 and 240,179.20

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Solution

The fourth proportional to 689,449.84, 1,034,179.34 and 240,179.20 is: 360,270.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,449.84 : 1,034,179.34 = 240,179.20 : x
  2. Step 2: Convert to fraction form
    689,449.84/1,034,179.34 = 240,179.20/x
  3. Step 3: Cross multiply
    689,449.84x = 1,034,179.34 × 240,179.20
  4. Step 4: Simplify right side
    689,449.84x = 248,388,362,751.38
  5. Step 5: Solve for x
    x = 248,388,362,751.38/689,449.84
  6. Step 6: Final answer
    x = 360,270.39

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Double scale
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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.