Home / 797,135.10-1,099,991.28-448,327.77

Finding the Fourth Proportional to 797,135.10, 1,099,991.28 and 448,327.77

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Solution

The fourth proportional to 797,135.10, 1,099,991.28 and 448,327.77 is: 618,661.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,135.10 : 1,099,991.28 = 448,327.77 : x
  2. Step 2: Convert to fraction form
    797,135.10/1,099,991.28 = 448,327.77/x
  3. Step 3: Cross multiply
    797,135.10x = 1,099,991.28 × 448,327.77
  4. Step 4: Simplify right side
    797,135.10x = 493,156,637,581.85
  5. Step 5: Solve for x
    x = 493,156,637,581.85/797,135.10
  6. Step 6: Final answer
    x = 618,661.30

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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.