Home / 800,762.54-1,105,052.25-438,186.42

Finding the Fourth Proportional to 800,762.54, 1,105,052.25 and 438,186.42

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Solution

The fourth proportional to 800,762.54, 1,105,052.25 and 438,186.42 is: 604,697.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,762.54 : 1,105,052.25 = 438,186.42 : x
  2. Step 2: Convert to fraction form
    800,762.54/1,105,052.25 = 438,186.42/x
  3. Step 3: Cross multiply
    800,762.54x = 1,105,052.25 × 438,186.42
  4. Step 4: Simplify right side
    800,762.54x = 484,218,890,983.64
  5. Step 5: Solve for x
    x = 484,218,890,983.64/800,762.54
  6. Step 6: Final answer
    x = 604,697.24

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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.