Home / 801,303.13-1,105,798.49-438,727.06

Finding the Fourth Proportional to 801,303.13, 1,105,798.49 and 438,727.06

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Solution

The fourth proportional to 801,303.13, 1,105,798.49 and 438,727.06 is: 605,443.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,303.13 : 1,105,798.49 = 438,727.06 : x
  2. Step 2: Convert to fraction form
    801,303.13/1,105,798.49 = 438,727.06/x
  3. Step 3: Cross multiply
    801,303.13x = 1,105,798.49 × 438,727.06
  4. Step 4: Simplify right side
    801,303.13x = 485,143,720,470.14
  5. Step 5: Solve for x
    x = 485,143,720,470.14/801,303.13
  6. Step 6: Final answer
    x = 605,443.44

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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.