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Finding the Fourth Proportional to 432,914.40, 650,027.70 and 333,187.20

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Solution

The fourth proportional to 432,914.40, 650,027.70 and 333,187.20 is: 500,285.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,914.40 : 650,027.70 = 333,187.20 : x
  2. Step 2: Convert to fraction form
    432,914.40/650,027.70 = 333,187.20/x
  3. Step 3: Cross multiply
    432,914.40x = 650,027.70 × 333,187.20
  4. Step 4: Simplify right side
    432,914.40x = 216,580,909,285.44
  5. Step 5: Solve for x
    x = 216,580,909,285.44/432,914.40
  6. Step 6: Final answer
    x = 500,285.76

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1.5x scale

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.