Home / 890,902.64-1,229,454.09-483,003.42

Finding the Fourth Proportional to 890,902.64, 1,229,454.09 and 483,003.42

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Solution

The fourth proportional to 890,902.64, 1,229,454.09 and 483,003.42 is: 666,549.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,902.64 : 1,229,454.09 = 483,003.42 : x
  2. Step 2: Convert to fraction form
    890,902.64/1,229,454.09 = 483,003.42/x
  3. Step 3: Cross multiply
    890,902.64x = 1,229,454.09 × 483,003.42
  4. Step 4: Simplify right side
    890,902.64x = 593,830,530,202.99
  5. Step 5: Solve for x
    x = 593,830,530,202.99/890,902.64
  6. Step 6: Final answer
    x = 666,549.30

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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.