Home / 801,283.46-1,105,729.16-438,637.86

Finding the Fourth Proportional to 801,283.46, 1,105,729.16 and 438,637.86

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Solution

The fourth proportional to 801,283.46, 1,105,729.16 and 438,637.86 is: 605,297.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,283.46 : 1,105,729.16 = 438,637.86 : x
  2. Step 2: Convert to fraction form
    801,283.46/1,105,729.16 = 438,637.86/x
  3. Step 3: Cross multiply
    801,283.46x = 1,105,729.16 × 438,637.86
  4. Step 4: Simplify right side
    801,283.46x = 485,014,670,288.81
  5. Step 5: Solve for x
    x = 485,014,670,288.81/801,283.46
  6. Step 6: Final answer
    x = 605,297.25

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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.