Home / 950,137.84-1,311,190.54-520,425.16

Finding the Fourth Proportional to 950,137.84, 1,311,190.54 and 520,425.16

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Solution

The fourth proportional to 950,137.84, 1,311,190.54 and 520,425.16 is: 718,186.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,137.84 : 1,311,190.54 = 520,425.16 : x
  2. Step 2: Convert to fraction form
    950,137.84/1,311,190.54 = 520,425.16/x
  3. Step 3: Cross multiply
    950,137.84x = 1,311,190.54 × 520,425.16
  4. Step 4: Simplify right side
    950,137.84x = 682,376,546,569.99
  5. Step 5: Solve for x
    x = 682,376,546,569.99/950,137.84
  6. Step 6: Final answer
    x = 718,186.90

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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.