Home / 800,875.11-1,105,197.26-438,292.38

Finding the Fourth Proportional to 800,875.11, 1,105,197.26 and 438,292.38

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Solution

The fourth proportional to 800,875.11, 1,105,197.26 and 438,292.38 is: 604,837.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,875.11 : 1,105,197.26 = 438,292.38 : x
  2. Step 2: Convert to fraction form
    800,875.11/1,105,197.26 = 438,292.38/x
  3. Step 3: Cross multiply
    800,875.11x = 1,105,197.26 × 438,292.38
  4. Step 4: Simplify right side
    800,875.11x = 484,399,535,263.42
  5. Step 5: Solve for x
    x = 484,399,535,263.42/800,875.11
  6. Step 6: Final answer
    x = 604,837.79

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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.