Home / 971,190.78-1,339,766.91-648,979.98

Finding the Fourth Proportional to 971,190.78, 1,339,766.91 and 648,979.98

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Solution

The fourth proportional to 971,190.78, 1,339,766.91 and 648,979.98 is: 895,274.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,190.78 : 1,339,766.91 = 648,979.98 : x
  2. Step 2: Convert to fraction form
    971,190.78/1,339,766.91 = 648,979.98/x
  3. Step 3: Cross multiply
    971,190.78x = 1,339,766.91 × 648,979.98
  4. Step 4: Simplify right side
    971,190.78x = 869,481,902,456.46
  5. Step 5: Solve for x
    x = 869,481,902,456.46/971,190.78
  6. Step 6: Final answer
    x = 895,274.05

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.