Home / 790,759.73-1,091,225.09-446,609.76

Finding the Fourth Proportional to 790,759.73, 1,091,225.09 and 446,609.76

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Solution

The fourth proportional to 790,759.73, 1,091,225.09 and 446,609.76 is: 616,308.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,759.73 : 1,091,225.09 = 446,609.76 : x
  2. Step 2: Convert to fraction form
    790,759.73/1,091,225.09 = 446,609.76/x
  3. Step 3: Cross multiply
    790,759.73x = 1,091,225.09 × 446,609.76
  4. Step 4: Simplify right side
    790,759.73x = 487,351,773,317.83
  5. Step 5: Solve for x
    x = 487,351,773,317.83/790,759.73
  6. Step 6: Final answer
    x = 616,308.29

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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.