Home / 950,458.72-1,311,633.06-520,755.16

Finding the Fourth Proportional to 950,458.72, 1,311,633.06 and 520,755.16

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Solution

The fourth proportional to 950,458.72, 1,311,633.06 and 520,755.16 is: 718,642.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,458.72 : 1,311,633.06 = 520,755.16 : x
  2. Step 2: Convert to fraction form
    950,458.72/1,311,633.06 = 520,755.16/x
  3. Step 3: Cross multiply
    950,458.72x = 1,311,633.06 × 520,755.16
  4. Step 4: Simplify right side
    950,458.72x = 683,039,684,021.59
  5. Step 5: Solve for x
    x = 683,039,684,021.59/950,458.72
  6. Step 6: Final answer
    x = 718,642.14

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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.