Home / 807,920.64-1,115,995.36-603,616.48

Finding the Fourth Proportional to 807,920.64, 1,115,995.36 and 603,616.48

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Solution

The fourth proportional to 807,920.64, 1,115,995.36 and 603,616.48 is: 833,786.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,920.64 : 1,115,995.36 = 603,616.48 : x
  2. Step 2: Convert to fraction form
    807,920.64/1,115,995.36 = 603,616.48/x
  3. Step 3: Cross multiply
    807,920.64x = 1,115,995.36 × 603,616.48
  4. Step 4: Simplify right side
    807,920.64x = 673,633,190,899.53
  5. Step 5: Solve for x
    x = 673,633,190,899.53/807,920.64
  6. Step 6: Final answer
    x = 833,786.34

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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.