Home / 801,242.08-1,105,727.16-438,659.92

Finding the Fourth Proportional to 801,242.08, 1,105,727.16 and 438,659.92

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Solution

The fourth proportional to 801,242.08, 1,105,727.16 and 438,659.92 is: 605,357.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,242.08 : 1,105,727.16 = 438,659.92 : x
  2. Step 2: Convert to fraction form
    801,242.08/1,105,727.16 = 438,659.92/x
  3. Step 3: Cross multiply
    801,242.08x = 1,105,727.16 × 438,659.92
  4. Step 4: Simplify right side
    801,242.08x = 485,038,187,547.43
  5. Step 5: Solve for x
    x = 485,038,187,547.43/801,242.08
  6. Step 6: Final answer
    x = 605,357.86

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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.