Home / 800,770.23-1,105,062.89-438,194.16

Finding the Fourth Proportional to 800,770.23, 1,105,062.89 and 438,194.16

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Solution

The fourth proportional to 800,770.23, 1,105,062.89 and 438,194.16 is: 604,707.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,770.23 : 1,105,062.89 = 438,194.16 : x
  2. Step 2: Convert to fraction form
    800,770.23/1,105,062.89 = 438,194.16/x
  3. Step 3: Cross multiply
    800,770.23x = 1,105,062.89 × 438,194.16
  4. Step 4: Simplify right side
    800,770.23x = 484,232,102,639.75
  5. Step 5: Solve for x
    x = 484,232,102,639.75/800,770.23
  6. Step 6: Final answer
    x = 604,707.92

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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.