Home / 950,576.40-1,425,865.68-285,728.40

Finding the Fourth Proportional to 950,576.40, 1,425,865.68 and 285,728.40

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Solution

The fourth proportional to 950,576.40, 1,425,865.68 and 285,728.40 is: 428,592.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,576.40 : 1,425,865.68 = 285,728.40 : x
  2. Step 2: Convert to fraction form
    950,576.40/1,425,865.68 = 285,728.40/x
  3. Step 3: Cross multiply
    950,576.40x = 1,425,865.68 × 285,728.40
  4. Step 4: Simplify right side
    950,576.40x = 407,410,319,361.31
  5. Step 5: Solve for x
    x = 407,410,319,361.31/950,576.40
  6. Step 6: Final answer
    x = 428,592.92

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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.