Home / 890,018.44-1,228,231.33-482,120.28

Finding the Fourth Proportional to 890,018.44, 1,228,231.33 and 482,120.28

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Solution

The fourth proportional to 890,018.44, 1,228,231.33 and 482,120.28 is: 665,329.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,018.44 : 1,228,231.33 = 482,120.28 : x
  2. Step 2: Convert to fraction form
    890,018.44/1,228,231.33 = 482,120.28/x
  3. Step 3: Cross multiply
    890,018.44x = 1,228,231.33 × 482,120.28
  4. Step 4: Simplify right side
    890,018.44x = 592,155,229,759.61
  5. Step 5: Solve for x
    x = 592,155,229,759.61/890,018.44
  6. Step 6: Final answer
    x = 665,329.17

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.