Home / 822,100.72-1,134,490.44-482,503.36

Finding the Fourth Proportional to 822,100.72, 1,134,490.44 and 482,503.36

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Solution

The fourth proportional to 822,100.72, 1,134,490.44 and 482,503.36 is: 665,849.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,100.72 : 1,134,490.44 = 482,503.36 : x
  2. Step 2: Convert to fraction form
    822,100.72/1,134,490.44 = 482,503.36/x
  3. Step 3: Cross multiply
    822,100.72x = 1,134,490.44 × 482,503.36
  4. Step 4: Simplify right side
    822,100.72x = 547,395,449,187.88
  5. Step 5: Solve for x
    x = 547,395,449,187.88/822,100.72
  6. Step 6: Final answer
    x = 665,849.62

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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.