Home / 807,430.88-1,114,284.72-449,757.92

Finding the Fourth Proportional to 807,430.88, 1,114,284.72 and 449,757.92

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Solution

The fourth proportional to 807,430.88, 1,114,284.72 and 449,757.92 is: 620,682.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,430.88 : 1,114,284.72 = 449,757.92 : x
  2. Step 2: Convert to fraction form
    807,430.88/1,114,284.72 = 449,757.92/x
  3. Step 3: Cross multiply
    807,430.88x = 1,114,284.72 × 449,757.92
  4. Step 4: Simplify right side
    807,430.88x = 501,158,377,954.98
  5. Step 5: Solve for x
    x = 501,158,377,954.98/807,430.88
  6. Step 6: Final answer
    x = 620,682.70

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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.