Home / 801,368.06-1,105,877.67-461,867.90

Finding the Fourth Proportional to 801,368.06, 1,105,877.67 and 461,867.90

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Solution

The fourth proportional to 801,368.06, 1,105,877.67 and 461,867.90 is: 637,371.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,368.06 : 1,105,877.67 = 461,867.90 : x
  2. Step 2: Convert to fraction form
    801,368.06/1,105,877.67 = 461,867.90/x
  3. Step 3: Cross multiply
    801,368.06x = 1,105,877.67 × 461,867.90
  4. Step 4: Simplify right side
    801,368.06x = 510,769,397,099.79
  5. Step 5: Solve for x
    x = 510,769,397,099.79/801,368.06
  6. Step 6: Final answer
    x = 637,371.79

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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.