Home / 945,563.20-1,418,474.40-314,411.20

Finding the Fourth Proportional to 945,563.20, 1,418,474.40 and 314,411.20

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Solution

The fourth proportional to 945,563.20, 1,418,474.40 and 314,411.20 is: 471,659.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,563.20 : 1,418,474.40 = 314,411.20 : x
  2. Step 2: Convert to fraction form
    945,563.20/1,418,474.40 = 314,411.20/x
  3. Step 3: Cross multiply
    945,563.20x = 1,418,474.40 × 314,411.20
  4. Step 4: Simplify right side
    945,563.20x = 445,984,238,273.28
  5. Step 5: Solve for x
    x = 445,984,238,273.28/945,563.20
  6. Step 6: Final answer
    x = 471,659.89

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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.