Home / 827,230.33-1,240,457.97-347,355.72

Finding the Fourth Proportional to 827,230.33, 1,240,457.97 and 347,355.72

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Solution

The fourth proportional to 827,230.33, 1,240,457.97 and 347,355.72 is: 520,870.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,230.33 : 1,240,457.97 = 347,355.72 : x
  2. Step 2: Convert to fraction form
    827,230.33/1,240,457.97 = 347,355.72/x
  3. Step 3: Cross multiply
    827,230.33x = 1,240,457.97 × 347,355.72
  4. Step 4: Simplify right side
    827,230.33x = 430,880,171,299.09
  5. Step 5: Solve for x
    x = 430,880,171,299.09/827,230.33
  6. Step 6: Final answer
    x = 520,870.86

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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.