Home / 890,475.70-1,336,588.35-441,703.30

Finding the Fourth Proportional to 890,475.70, 1,336,588.35 and 441,703.30

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Solution

The fourth proportional to 890,475.70, 1,336,588.35 and 441,703.30 is: 662,988.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,475.70 : 1,336,588.35 = 441,703.30 : x
  2. Step 2: Convert to fraction form
    890,475.70/1,336,588.35 = 441,703.30/x
  3. Step 3: Cross multiply
    890,475.70x = 1,336,588.35 × 441,703.30
  4. Step 4: Simplify right side
    890,475.70x = 590,375,484,936.56
  5. Step 5: Solve for x
    x = 590,375,484,936.56/890,475.70
  6. Step 6: Final answer
    x = 662,988.88

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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.