Home / 950,310.72-1,311,443.66-520,562.48

Finding the Fourth Proportional to 950,310.72, 1,311,443.66 and 520,562.48

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Solution

The fourth proportional to 950,310.72, 1,311,443.66 and 520,562.48 is: 718,384.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,310.72 : 1,311,443.66 = 520,562.48 : x
  2. Step 2: Convert to fraction form
    950,310.72/1,311,443.66 = 520,562.48/x
  3. Step 3: Cross multiply
    950,310.72x = 1,311,443.66 × 520,562.48
  4. Step 4: Simplify right side
    950,310.72x = 682,688,364,029.88
  5. Step 5: Solve for x
    x = 682,688,364,029.88/950,310.72
  6. Step 6: Final answer
    x = 718,384.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.