Home / 930,781.00-1,394,879.80-424,103.72

Finding the Fourth Proportional to 930,781.00, 1,394,879.80 and 424,103.72

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Solution

The fourth proportional to 930,781.00, 1,394,879.80 and 424,103.72 is: 635,567.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,781.00 : 1,394,879.80 = 424,103.72 : x
  2. Step 2: Convert to fraction form
    930,781.00/1,394,879.80 = 424,103.72/x
  3. Step 3: Cross multiply
    930,781.00x = 1,394,879.80 × 424,103.72
  4. Step 4: Simplify right side
    930,781.00x = 591,573,710,012.34
  5. Step 5: Solve for x
    x = 591,573,710,012.34/930,781.00
  6. Step 6: Final answer
    x = 635,567.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.