Home / 453,006.31-624,635.10-289,446.73

Finding the Fourth Proportional to 453,006.31, 624,635.10 and 289,446.73

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Solution

The fourth proportional to 453,006.31, 624,635.10 and 289,446.73 is: 399,108.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,006.31 : 624,635.10 = 289,446.73 : x
  2. Step 2: Convert to fraction form
    453,006.31/624,635.10 = 289,446.73/x
  3. Step 3: Cross multiply
    453,006.31x = 624,635.10 × 289,446.73
  4. Step 4: Simplify right side
    453,006.31x = 180,798,584,015.05
  5. Step 5: Solve for x
    x = 180,798,584,015.05/453,006.31
  6. Step 6: Final answer
    x = 399,108.31

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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.