Home / 950,418.30-1,311,578.91-520,689.18

Finding the Fourth Proportional to 950,418.30, 1,311,578.91 and 520,689.18

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Solution

The fourth proportional to 950,418.30, 1,311,578.91 and 520,689.18 is: 718,551.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,418.30 : 1,311,578.91 = 520,689.18 : x
  2. Step 2: Convert to fraction form
    950,418.30/1,311,578.91 = 520,689.18/x
  3. Step 3: Cross multiply
    950,418.30x = 1,311,578.91 × 520,689.18
  4. Step 4: Simplify right side
    950,418.30x = 682,924,947,153.19
  5. Step 5: Solve for x
    x = 682,924,947,153.19/950,418.30
  6. Step 6: Final answer
    x = 718,551.98

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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.