Home / 801,283.33-1,105,728.98-438,637.74

Finding the Fourth Proportional to 801,283.33, 1,105,728.98 and 438,637.74

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Solution

The fourth proportional to 801,283.33, 1,105,728.98 and 438,637.74 is: 605,297.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,283.33 : 1,105,728.98 = 438,637.74 : x
  2. Step 2: Convert to fraction form
    801,283.33/1,105,728.98 = 438,637.74/x
  3. Step 3: Cross multiply
    801,283.33x = 1,105,728.98 × 438,637.74
  4. Step 4: Simplify right side
    801,283.33x = 485,014,460,839.71
  5. Step 5: Solve for x
    x = 485,014,460,839.71/801,283.33
  6. Step 6: Final answer
    x = 605,297.08

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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.