Home / 800,788.73-1,105,088.55-438,212.62

Finding the Fourth Proportional to 800,788.73, 1,105,088.55 and 438,212.62

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Solution

The fourth proportional to 800,788.73, 1,105,088.55 and 438,212.62 is: 604,733.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,788.73 : 1,105,088.55 = 438,212.62 : x
  2. Step 2: Convert to fraction form
    800,788.73/1,105,088.55 = 438,212.62/x
  3. Step 3: Cross multiply
    800,788.73x = 1,105,088.55 × 438,212.62
  4. Step 4: Simplify right side
    800,788.73x = 484,263,744,814.39
  5. Step 5: Solve for x
    x = 484,263,744,814.39/800,788.73
  6. Step 6: Final answer
    x = 604,733.47

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1.5x scale

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.