Home / 950,140.05-1,425,209.72-381,520.98

Finding the Fourth Proportional to 950,140.05, 1,425,209.72 and 381,520.98

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Solution

The fourth proportional to 950,140.05, 1,425,209.72 and 381,520.98 is: 572,281.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,140.05 : 1,425,209.72 = 381,520.98 : x
  2. Step 2: Convert to fraction form
    950,140.05/1,425,209.72 = 381,520.98/x
  3. Step 3: Cross multiply
    950,140.05x = 1,425,209.72 × 381,520.98
  4. Step 4: Simplify right side
    950,140.05x = 543,747,414,424.46
  5. Step 5: Solve for x
    x = 543,747,414,424.46/950,140.05
  6. Step 6: Final answer
    x = 572,281.33

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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.