Home / 689,451.84-1,034,182.34-240,181.20

Finding the Fourth Proportional to 689,451.84, 1,034,182.34 and 240,181.20

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Solution

The fourth proportional to 689,451.84, 1,034,182.34 and 240,181.20 is: 360,273.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,451.84 : 1,034,182.34 = 240,181.20 : x
  2. Step 2: Convert to fraction form
    689,451.84/1,034,182.34 = 240,181.20/x
  3. Step 3: Cross multiply
    689,451.84x = 1,034,182.34 × 240,181.20
  4. Step 4: Simplify right side
    689,451.84x = 248,391,155,440.01
  5. Step 5: Solve for x
    x = 248,391,155,440.01/689,451.84
  6. Step 6: Final answer
    x = 360,273.40

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Double scale
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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.