Home / 762,662.98-1,144,295.79-289,473.94

Finding the Fourth Proportional to 762,662.98, 1,144,295.79 and 289,473.94

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Solution

The fourth proportional to 762,662.98, 1,144,295.79 and 289,473.94 is: 434,325.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,662.98 : 1,144,295.79 = 289,473.94 : x
  2. Step 2: Convert to fraction form
    762,662.98/1,144,295.79 = 289,473.94/x
  3. Step 3: Cross multiply
    762,662.98x = 1,144,295.79 × 289,473.94
  4. Step 4: Simplify right side
    762,662.98x = 331,243,810,856.71
  5. Step 5: Solve for x
    x = 331,243,810,856.71/762,662.98
  6. Step 6: Final answer
    x = 434,325.28

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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.