Home / 684,670.20-1,027,005.30-305,590.20

Finding the Fourth Proportional to 684,670.20, 1,027,005.30 and 305,590.20

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Solution

The fourth proportional to 684,670.20, 1,027,005.30 and 305,590.20 is: 458,385.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,670.20 : 1,027,005.30 = 305,590.20 : x
  2. Step 2: Convert to fraction form
    684,670.20/1,027,005.30 = 305,590.20/x
  3. Step 3: Cross multiply
    684,670.20x = 1,027,005.30 × 305,590.20
  4. Step 4: Simplify right side
    684,670.20x = 313,842,755,028.06
  5. Step 5: Solve for x
    x = 313,842,755,028.06/684,670.20
  6. Step 6: Final answer
    x = 458,385.30

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Double scale
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Similar ratio
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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.