Home / 801,855.36-1,106,560.32-479,565.42

Finding the Fourth Proportional to 801,855.36, 1,106,560.32 and 479,565.42

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Solution

The fourth proportional to 801,855.36, 1,106,560.32 and 479,565.42 is: 661,800.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,855.36 : 1,106,560.32 = 479,565.42 : x
  2. Step 2: Convert to fraction form
    801,855.36/1,106,560.32 = 479,565.42/x
  3. Step 3: Cross multiply
    801,855.36x = 1,106,560.32 × 479,565.42
  4. Step 4: Simplify right side
    801,855.36x = 530,668,064,616.13
  5. Step 5: Solve for x
    x = 530,668,064,616.13/801,855.36
  6. Step 6: Final answer
    x = 661,800.23

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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.